885136511918 has 16 divisors (see below), whose sum is σ = 1338409336320. Its totient is φ = 439001369856.

The previous prime is 885136511893. The next prime is 885136511939. The reversal of 885136511918 is 819115631588.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046738 + ... + 1692906.

It is an arithmetic number, because the mean of its divisors is an integer number (83650583520).

Almost surely, 2^885136511918 is an apocalyptic number.

885136511918 is a deficient number, since it is larger than the sum of its proper divisors (453272824402).

885136511918 is a wasteful number, since it uses less digits than its factorization.

885136511918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651691.

The product of its digits is 2073600, while the sum is 56.

The spelling of 885136511918 in words is "eight hundred eighty-five billion, one hundred thirty-six million, five hundred eleven thousand, nine hundred eighteen".