11613606642656 has 24 divisors (see below), whose sum is σ = 22864699614960. Its totient is φ = 5806698803968.

The previous prime is 11613606642643. The next prime is 11613606642679. The reversal of 11613606642656 is 65624660631611.

It is a junction number, because it is equal to n+sod(n) for n = 11613606642598 and 11613606642607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444901 + ... + 5031396.

It is an arithmetic number, because the mean of its divisors is an integer number (952695817290).

Almost surely, 2^{11613606642656} is an apocalyptic number.

11613606642656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11613606642656 is a deficient number, since it is larger than the sum of its proper divisors (11251092972304).

11613606642656 is an equidigital number, since it uses as much as digits as its factorization.

11613606642656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532346 (or 6532338 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 11613606642656 in words is "eleven trillion, six hundred thirteen billion, six hundred six million, six hundred forty-two thousand, six hundred fifty-six".