15315788016 has 40 divisors (see below), whose sum is σ = 43961985360. Its totient is φ = 5105262528.

The previous prime is 15315787973. The next prime is 15315788063. The reversal of 15315788016 is 61088751351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17726175 + ... + 17727038.

It is an arithmetic number, because the mean of its divisors is an integer number (1099049634).

Almost surely, 2^15315788016 is an apocalyptic number.

15315788016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15315788016 is an abundant number, since it is smaller than the sum of its proper divisors (28646197344).

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

15315788016 is a wasteful number, since it uses less digits than its factorization.

15315788016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35453230 (or 35453218 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 15315788016 in words is "fifteen billion, three hundred fifteen million, seven hundred eighty-eight thousand, sixteen".