13556230355856 has 80 divisors (see below), whose sum is σ = 35169777561600. Its totient is φ = 4499454309504.

The previous prime is 13556230355827. The next prime is 13556230355861. The reversal of 13556230355856 is 65855303265531.

It is a happy number.

It is a super-2 number, since 2×13556230355856² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13556230355796 and 13556230355805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156193785 + ... + 156280551.

It is an arithmetic number, because the mean of its divisors is an integer number (439622219520).

Almost surely, 2^{13556230355856} is an apocalyptic number.

13556230355856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13556230355856 is an abundant number, since it is smaller than the sum of its proper divisors (21613547205744).

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

13556230355856 is a wasteful number, since it uses less digits than its factorization.

13556230355856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100636 (or 100630 counting only the distinct ones).

The product of its (nonzero) digits is 48600000, while the sum is 57.

The spelling of 13556230355856 in words is "thirteen trillion, five hundred fifty-six billion, two hundred thirty million, three hundred fifty-five thousand, eight hundred fifty-six".