999115105264 has 40 divisors (see below), whose sum is σ = 1983101979600. Its totient is φ = 487348108800.

The previous prime is 999115105231. The next prime is 999115105349. The reversal of 999115105264 is 462501511999.

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, 23036079 + ... + 23079409.

It is an arithmetic number, because the mean of its divisors is an integer number (49577549490).

Almost surely, 2^999115105264 is an apocalyptic number.

It is an amenable number.

999115105264 is a deficient number, since it is larger than the sum of its proper divisors (983986874336).

999115105264 is a wasteful number, since it uses less digits than its factorization.

999115105264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78529 (or 78523 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The spelling of 999115105264 in words is "nine hundred ninety-nine billion, one hundred fifteen million, one hundred five thousand, two hundred sixty-four".