15002640013764 has 48 divisors (see below), whose sum is σ = 37761668833280. Its totient is φ = 4608516038400.

The previous prime is 15002640013759. The next prime is 15002640013793. The reversal of 15002640013764 is 46731004620051.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79915204 + ... + 80102715.

Almost surely, 2^{15002640013764} is an apocalyptic number.

It is an amenable number.

15002640013764 is an abundant number, since it is smaller than the sum of its proper divisors (22759028819516).

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

15002640013764 is a wasteful number, since it uses less digits than its factorization.

15002640013764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160018540 (or 160018538 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 15002640013764 in words is "fifteen trillion, two billion, six hundred forty million, thirteen thousand, seven hundred sixty-four".