11556607367613 has 32 divisors (see below), whose sum is σ = 20341041546240. Its totient is φ = 5650289314560.

The previous prime is 11556607367603. The next prime is 11556607367629. The reversal of 11556607367613 is 31676370665511.

It is a happy number.

It is not a de Polignac number, because 11556607367613 - 2¹² = 11556607363517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556607367603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1471425583 + ... + 1471433436.

It is an arithmetic number, because the mean of its divisors is an integer number (635657548320).

Almost surely, 2^{11556607367613} is an apocalyptic number.

It is an amenable number.

11556607367613 is a deficient number, since it is larger than the sum of its proper divisors (8784434178627).

11556607367613 is a wasteful number, since it uses less digits than its factorization.

11556607367613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942859057.

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 11556607367613 in words is "eleven trillion, five hundred fifty-six billion, six hundred seven million, three hundred sixty-seven thousand, six hundred thirteen".