15791051328 has 56 divisors (see below), whose sum is σ = 44994380928. Its totient is φ = 4858784256.

The previous prime is 15791051323. The next prime is 15791051329. The reversal of 15791051328 is 82315019751.

It is a self number, because there is not a number n which added to its sum of digits gives 15791051328.

It is not an unprimeable number, because it can be changed into a prime (15791051323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3160776 + ... + 3165767.

It is an arithmetic number, because the mean of its divisors is an integer number (803471088).

Almost surely, 2^15791051328 is an apocalyptic number.

It is an amenable number.

15791051328 is an abundant number, since it is smaller than the sum of its proper divisors (29203329600).

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

15791051328 is a wasteful number, since it uses less digits than its factorization.

15791051328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326571 (or 6326561 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 15791051328 in words is "fifteen billion, seven hundred ninety-one million, fifty-one thousand, three hundred twenty-eight".