111032164472172 has 48 divisors (see below), whose sum is σ = 265667275488384. Its totient is φ = 36070834384000.

The previous prime is 111032164472167. The next prime is 111032164472221. The reversal of 111032164472172 is 271274461230111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115729854 + ... + 116685317.

It is an arithmetic number, because the mean of its divisors is an integer number (5534734906008).

Almost surely, 2^{111032164472172} is an apocalyptic number.

111032164472172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111032164472172 is an abundant number, since it is smaller than the sum of its proper divisors (154635111016212).

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

111032164472172 is a wasteful number, since it uses less digits than its factorization.

111032164472172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232416190 (or 232416188 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 111032164472172 in words is "one hundred eleven trillion, thirty-two billion, one hundred sixty-four million, four hundred seventy-two thousand, one hundred seventy-two".