15797879064960 has 128 divisors (see below), whose sum is σ = 50370360732000. Its totient is φ = 4211544539136.

The previous prime is 15797879064941. The next prime is 15797879065043. The reversal of 15797879064960 is 6946097879751.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×15797879064960² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 5429262 + ... + 7814898.

Almost surely, 2^{15797879064960} is an apocalyptic number.

15797879064960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15797879064960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25185180366000).

15797879064960 is an abundant number, since it is smaller than the sum of its proper divisors (34572481667040).

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

15797879064960 is a wasteful number, since it uses less digits than its factorization.

15797879064960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389108 (or 2389096 counting only the distinct ones).

The product of its (nonzero) digits is 1440270720, while the sum is 78.

The spelling of 15797879064960 in words is "fifteen trillion, seven hundred ninety-seven billion, eight hundred seventy-nine million, sixty-four thousand, nine hundred sixty".