11656107490372 has 12 divisors (see below), whose sum is σ = 20398216359276. Its totient is φ = 5828045673440.

The previous prime is 11656107490303. The next prime is 11656107490373. The reversal of 11656107490372 is 27309470165611.

It can be written as a sum of positive squares in 2 ways, for example, as 5690867886916 + 5965239603456 = 2385554^2 + 2442384^2 .

It is not an unprimeable number, because it can be changed into a prime (11656107490373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220222 + ... + 5314282.

It is an arithmetic number, because the mean of its divisors is an integer number (1699851363273).

Almost surely, 2^{11656107490372} is an apocalyptic number.

It is an amenable number.

11656107490372 is a deficient number, since it is larger than the sum of its proper divisors (8742108868904).

11656107490372 is a wasteful number, since it uses less digits than its factorization.

11656107490372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035878 (or 4035876 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 11656107490372 in words is "eleven trillion, six hundred fifty-six billion, one hundred seven million, four hundred ninety thousand, three hundred seventy-two".