15012628765264 has 40 divisors (see below), whose sum is σ = 31326313315752. Its totient is φ = 6928488407040.

The previous prime is 15012628765229. The next prime is 15012628765271. The reversal of 15012628765264 is 46256782621051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 350928281664 + 14661700483600 = 592392^2 + 3829060^2 .

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, 1303524 + ... + 5632444.

Almost surely, 2^{15012628765264} is an apocalyptic number.

It is an amenable number.

15012628765264 is an abundant number, since it is smaller than the sum of its proper divisors (16313684550488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15012628765264 is a wasteful number, since it uses less digits than its factorization.

15012628765264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345615 (or 4345609 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 15012628765264 in words is "fifteen trillion, twelve billion, six hundred twenty-eight million, seven hundred sixty-five thousand, two hundred sixty-four".