The largest number spelled without any repeating letters is "one thousand." Each letter in this phrase is unique, and it represents a significant value without any duplicates in its spelling. Other large numbers like "eleven" or "hundred" contain repeating letters, making "one thousand" the largest valid option.
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98765432
987654
Is the answer not: 9876543210? Best regards, OO
The number is 9875.
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Five thousand. Any higher number of thousands will repeat 'n' and/or 't' and any number higher than 999,999 will repeat 'l' (as in million, billion, trillion, ...).
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ParticularProclaimed
Walk my dog. :)
juvenalostim
Without repeating, 4. With repeating, 8.
98765432
98765
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9875.
9,876,543,210 9876543210