11555816568000 has 224 divisors, whose sum is σ = 40165587171840. Its totient is φ = 2919364070400.

The previous prime is 11555816567987. The next prime is 11555816568013. The reversal of 11555816568000 is 86561855511.

It is an interprime number because it is at equal distance from previous prime (11555816567987) and next prime (11555816568013).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12214852 + ... + 13126851.

Almost surely, 2^{11555816568000} is an apocalyptic number.

11555816568000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11555816568000 is an abundant number, since it is smaller than the sum of its proper divisors (28609770603840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11555816568000 is a wasteful number, since it uses less digits than its factorization.

11555816568000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25341752 (or 25341732 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 51.

The spelling of 11555816568000 in words is "eleven trillion, five hundred fifty-five billion, eight hundred sixteen million, five hundred sixty-eight thousand".