15412705568 has 96 divisors (see below), whose sum is σ = 33546305520. Its totient is φ = 6925271040.

The previous prime is 15412705471. The next prime is 15412705639. The reversal of 15412705568 is 86550721451.

It can be written as a sum of positive squares in 8 ways, for example, as 851939344 + 14560766224 = 29188^2 + 120668^2 .

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, 13797746 + ... + 13798862.

Almost surely, 2^15412705568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15412705568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16773152760).

15412705568 is an abundant number, since it is smaller than the sum of its proper divisors (18133599952).

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

15412705568 is a wasteful number, since it uses less digits than its factorization.

15412705568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 15412705568 in words is "fifteen billion, four hundred twelve million, seven hundred five thousand, five hundred sixty-eight".