11656601267053 has 4 divisors (see below), whose sum is σ = 11656617076188. Its totient is φ = 11656585457920.

The previous prime is 11656601267021. The next prime is 11656601267123. The reversal of 11656601267053 is 35076210665611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6470241806889 + 5186359460164 = 2543667^2 + 2277358^2 .

It is a cyclic number.

It is not a de Polignac number, because 11656601267053 - 2⁵ = 11656601267021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11656601266988 and 11656601267006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11656601277053) by changing a digit.

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, 6741526 + ... + 8292247.

It is an arithmetic number, because the mean of its divisors is an integer number (2914154269047).

Almost surely, 2^{11656601267053} is an apocalyptic number.

It is an amenable number.

11656601267053 is a deficient number, since it is larger than the sum of its proper divisors (15809135).

11656601267053 is an equidigital number, since it uses as much as digits as its factorization.

11656601267053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15809134.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 11656601267053 in words is "eleven trillion, six hundred fifty-six billion, six hundred one million, two hundred sixty-seven thousand, fifty-three".