15797828915 has 8 divisors (see below), whose sum is σ = 20680794288. Its totient is φ = 11489330080.

The previous prime is 15797828899. The next prime is 15797828923. The reversal of 15797828915 is 51982879751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15797828915 - 2⁴ = 15797828899 is a prime.

It is a super-2 number, since 2×15797828915² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143616572 + ... + 143616681.

It is an arithmetic number, because the mean of its divisors is an integer number (2585099286).

Almost surely, 2^15797828915 is an apocalyptic number.

15797828915 is a deficient number, since it is larger than the sum of its proper divisors (4882965373).

15797828915 is a wasteful number, since it uses less digits than its factorization.

15797828915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287233269.

The product of its digits is 12700800, while the sum is 62.

The spelling of 15797828915 in words is "fifteen billion, seven hundred ninety-seven million, eight hundred twenty-eight thousand, nine hundred fifteen".