111564045686 has 48 divisors (see below), whose sum is σ = 179810142624. Its totient is φ = 51816036096.

The previous prime is 111564045661. The next prime is 111564045689. The reversal of 111564045686 is 686540465111.

It is a self number, because there is not a number n which added to its sum of digits gives 111564045686.

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 23 ways as a sum of consecutive naturals, for example, 41120666 + ... + 41123378.

It is an arithmetic number, because the mean of its divisors is an integer number (3746044638).

Almost surely, 2^111564045686 is an apocalyptic number.

111564045686 is a deficient number, since it is larger than the sum of its proper divisors (68246096938).

111564045686 is a wasteful number, since it uses less digits than its factorization.

111564045686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 111564045686 in words is "one hundred eleven billion, five hundred sixty-four million, forty-five thousand, six hundred eighty-six".