10015551112120 has 32 divisors (see below), whose sum is σ = 22598828532720. Its totient is φ = 3994871372800.

The previous prime is 10015551112103. The next prime is 10015551112181. The reversal of 10015551112120 is 2121115551001.

It is a super-2 number, since 2×10015551112120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354644206 + ... + 354672445.

Almost surely, 2^{10015551112120} is an apocalyptic number.

10015551112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10015551112120 is an abundant number, since it is smaller than the sum of its proper divisors (12583277420600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10015551112120 is a wasteful number, since it uses less digits than its factorization.

10015551112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709317015 (or 709317011 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 25.

Adding to 10015551112120 its reverse (2121115551001), we get a palindrome (12136666663121).

The spelling of 10015551112120 in words is "ten trillion, fifteen billion, five hundred fifty-one million, one hundred twelve thousand, one hundred twenty".