111563326564 has 12 divisors (see below), whose sum is σ = 195961607100. Its totient is φ = 55574295968.

The previous prime is 111563326543. The next prime is 111563326583. The reversal of 111563326564 is 465623365111.

It can be written as a sum of positive squares in 2 ways, for example, as 20152641600 + 91410684964 = 141960^2 + 302342^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111563326564.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51840619 + ... + 51842770.

It is an arithmetic number, because the mean of its divisors is an integer number (16330133925).

Almost surely, 2^111563326564 is an apocalyptic number.

It is an amenable number.

111563326564 is a deficient number, since it is larger than the sum of its proper divisors (84398280536).

111563326564 is a wasteful number, since it uses less digits than its factorization.

111563326564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103683662 (or 103683660 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The spelling of 111563326564 in words is "one hundred eleven billion, five hundred sixty-three million, three hundred twenty-six thousand, five hundred sixty-four".