11556402355316 has 24 divisors (see below), whose sum is σ = 24890712766080. Its totient is φ = 4571763568992.

The previous prime is 11556402355273. The next prime is 11556402355391. The reversal of 11556402355316 is 61355320465511.

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, 15874178696 + ... + 15874179423.

It is an arithmetic number, because the mean of its divisors is an integer number (1037113031920).

Almost surely, 2^{11556402355316} is an apocalyptic number.

It is an amenable number.

11556402355316 is an abundant number, since it is smaller than the sum of its proper divisors (13334310410764).

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

11556402355316 is a wasteful number, since it uses less digits than its factorization.

11556402355316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31748358143 (or 31748358141 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 11556402355316 in words is "eleven trillion, five hundred fifty-six billion, four hundred two million, three hundred fifty-five thousand, three hundred sixteen".