11556607207872 has 56 divisors (see below), whose sum is σ = 30578047200400. Its totient is φ = 3852052402176.

The previous prime is 11556607207829. The next prime is 11556607207907. The reversal of 11556607207872 is 27870270665511.

11556607207872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11556607207872³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3827154 + ... + 6144942.

It is an arithmetic number, because the mean of its divisors is an integer number (546036557150).

Almost surely, 2^{11556607207872} is an apocalyptic number.

11556607207872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11556607207872 is an abundant number, since it is smaller than the sum of its proper divisors (19021439992528).

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

11556607207872 is a wasteful number, since it uses less digits than its factorization.

11556607207872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343773 (or 2343763 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 57.

The spelling of 11556607207872 in words is "eleven trillion, five hundred fifty-six billion, six hundred seven million, two hundred seven thousand, eight hundred seventy-two".