The smallest number whose name is spelled with:

• 3 letters is 1 (one)
• 4 letters is 4 (four)
• 5 letters is 3 (three)
• 6 letters is 11 (eleven)
• 7 letters is 15 (fifteen)
• 8 letters is 13 (thirteen)
• 9 letters is 17 (seventeen)
• 10 letters is 24 (twenty-four)
• 15 letters is 103 (one hundred three)
• 20 letters is 124 (one hundred twenty-four)
• 25 letters is 1104 (one thousand one hundred four)
• 30 letters is 1117 (one thousand one hundred seventeen)
• 40 letters is 13,373 (thirteen thousand three hundred seventy-three)
• 50 letters is 113,373 (one hundred thirteen thousand three hundred seventy-three)
• 100 letters is 11,373,373,373 (eleven billion three hundred seventy-three million three hundred seventy-three thousand three hundred seventy-three)