11656116211604 has 12 divisors (see below), whose sum is σ = 20600165780628. Its totient is φ = 5770354560000.

The previous prime is 11656116211573. The next prime is 11656116211613. The reversal of 11656116211604 is 40611261165611.

It can be written as a sum of positive squares in 2 ways, for example, as 10172718880900 + 1483397330704 = 3189470^2 + 1217948^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14425885997 + ... + 14425886804.

It is an arithmetic number, because the mean of its divisors is an integer number (1716680481719).

Almost surely, 2^{11656116211604} is an apocalyptic number.

It is an amenable number.

11656116211604 is a deficient number, since it is larger than the sum of its proper divisors (8944049569024).

11656116211604 is a wasteful number, since it uses less digits than its factorization.

11656116211604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28851772906 (or 28851772904 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 11656116211604 in words is "eleven trillion, six hundred fifty-six billion, one hundred sixteen million, two hundred eleven thousand, six hundred four".