15712005516 has 12 divisors (see below), whose sum is σ = 36661346232. Its totient is φ = 5237335168.

The previous prime is 15712005503. The next prime is 15712005587. The reversal of 15712005516 is 61550021751.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654666885 + ... + 654666908.

It is an arithmetic number, because the mean of its divisors is an integer number (3055112186).

Almost surely, 2^15712005516 is an apocalyptic number.

It is an amenable number.

15712005516 is an abundant number, since it is smaller than the sum of its proper divisors (20949340716).

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

15712005516 is a wasteful number, since it uses less digits than its factorization.

15712005516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309333800 (or 1309333798 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 15712005516 in words is "fifteen billion, seven hundred twelve million, five thousand, five hundred sixteen".