13961122564 has 24 divisors (see below), whose sum is σ = 24890906880. Its totient is φ = 6849862176.

The previous prime is 13961122543. The next prime is 13961122589. The reversal of 13961122564 is 46522116931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78349 + ... + 184555.

It is an arithmetic number, because the mean of its divisors is an integer number (1037121120).

Almost surely, 2^13961122564 is an apocalyptic number.

It is an amenable number.

13961122564 is a deficient number, since it is larger than the sum of its proper divisors (10929784316).

13961122564 is a wasteful number, since it uses less digits than its factorization.

13961122564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106827 (or 106825 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The spelling of 13961122564 in words is "thirteen billion, nine hundred sixty-one million, one hundred twenty-two thousand, five hundred sixty-four".