18113152564 has 24 divisors (see below), whose sum is σ = 35237500928. Its totient is φ = 8090241120.

The previous prime is 18113152529. The next prime is 18113152567. The reversal of 18113152564 is 46525131181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18113152567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5616612 + ... + 5619835.

Almost surely, 2^18113152564 is an apocalyptic number.

It is an amenable number.

18113152564 is a deficient number, since it is larger than the sum of its proper divisors (17124348364).

18113152564 is a wasteful number, since it uses less digits than its factorization.

18113152564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236495 (or 11236493 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The spelling of 18113152564 in words is "eighteen billion, one hundred thirteen million, one hundred fifty-two thousand, five hundred sixty-four".