111607716728 has 64 divisors (see below), whose sum is σ = 218347747200. Its totient is φ = 53434442880.

The previous prime is 111607716709. The next prime is 111607716733. The reversal of 111607716728 is 827617706111.

It is a happy number.

It is a congruent 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, 43956083 + ... + 43958621.

It is an arithmetic number, because the mean of its divisors is an integer number (3411683550).

Almost surely, 2^111607716728 is an apocalyptic number.

It is an amenable number.

111607716728 is a deficient number, since it is larger than the sum of its proper divisors (106740030472).

111607716728 is a wasteful number, since it uses less digits than its factorization.

111607716728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052 (or 5048 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 47.

The spelling of 111607716728 in words is "one hundred eleven billion, six hundred seven million, seven hundred sixteen thousand, seven hundred twenty-eight".