111628013662572 has 24 divisors (see below), whose sum is σ = 284144034777792. Its totient is φ = 33826670806800.

The previous prime is 111628013662549. The next prime is 111628013662589. The reversal of 111628013662572 is 275266310826111.

It is a super-2 number, since 2×111628013662572² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422833384954 + ... + 422833385217.

It is an arithmetic number, because the mean of its divisors is an integer number (11839334782408).

Almost surely, 2^{111628013662572} is an apocalyptic number.

111628013662572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111628013662572 is an abundant number, since it is smaller than the sum of its proper divisors (172516021115220).

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

111628013662572 is a wasteful number, since it uses less digits than its factorization.

111628013662572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845666770189 (or 845666770187 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 111628013662572 in words is "one hundred eleven trillion, six hundred twenty-eight billion, thirteen million, six hundred sixty-two thousand, five hundred seventy-two".