11559948365 has 16 divisors (see below), whose sum is σ = 16688046720. Its totient is φ = 7509620160.

The previous prime is 11559948359. The next prime is 11559948397. The reversal of 11559948365 is 56384995511.

It is not a de Polignac number, because 11559948365 - 2⁸ = 11559948109 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11559948365.

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, 8691026 + ... + 8692355.

It is an arithmetic number, because the mean of its divisors is an integer number (1043002920).

Almost surely, 2^11559948365 is an apocalyptic number.

It is an amenable number.

11559948365 is a deficient number, since it is larger than the sum of its proper divisors (5128098355).

11559948365 is a wasteful number, since it uses less digits than its factorization.

11559948365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17383412.

The product of its digits is 5832000, while the sum is 56.

The spelling of 11559948365 in words is "eleven billion, five hundred fifty-nine million, nine hundred forty-eight thousand, three hundred sixty-five".