111564045685 has 16 divisors (see below), whose sum is σ = 137583194112. Its totient is φ = 86794345600.

The previous prime is 111564045661. The next prime is 111564045689. The reversal of 111564045685 is 586540465111.

It is not a de Polignac number, because 111564045685 - 2²⁵ = 111530491253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111564045689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811189 + ... + 938698.

It is an arithmetic number, because the mean of its divisors is an integer number (8598949632).

Almost surely, 2^111564045685 is an apocalyptic number.

It is an amenable number.

111564045685 is a deficient number, since it is larger than the sum of its proper divisors (26019148427).

111564045685 is a wasteful number, since it uses less digits than its factorization.

111564045685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750244.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 111564045685 in words is "one hundred eleven billion, five hundred sixty-four million, forty-five thousand, six hundred eighty-five".