13159765472 has 48 divisors (see below), whose sum is σ = 29623541472. Its totient is φ = 5637219840.

The previous prime is 13159765447. The next prime is 13159765477. The reversal of 13159765472 is 27456795131.

It is a self number, because there is not a number n which added to its sum of digits gives 13159765472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13159765477) 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, 500822 + ... + 526442.

It is an arithmetic number, because the mean of its divisors is an integer number (617157114).

Almost surely, 2^13159765472 is an apocalyptic number.

It is an amenable number.

13159765472 is an abundant number, since it is smaller than the sum of its proper divisors (16463776000).

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

13159765472 is a wasteful number, since it uses less digits than its factorization.

13159765472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27931 (or 27923 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The spelling of 13159765472 in words is "thirteen billion, one hundred fifty-nine million, seven hundred sixty-five thousand, four hundred seventy-two".