13051685645832 has 128 divisors (see below), whose sum is σ = 33664872499200. Its totient is φ = 4214921356800.

The previous prime is 13051685645821. The next prime is 13051685645833. The reversal of 13051685645832 is 23854658615031.

13051685645832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13051685645833) 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, 46554957 + ... + 46834467.

It is an arithmetic number, because the mean of its divisors is an integer number (263006816400).

Almost surely, 2^{13051685645832} is an apocalyptic number.

13051685645832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13051685645832 is an abundant number, since it is smaller than the sum of its proper divisors (20613186853368).

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

13051685645832 is a wasteful number, since it uses less digits than its factorization.

13051685645832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280067 (or 280063 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 13051685645832 in words is "thirteen trillion, fifty-one billion, six hundred eighty-five million, six hundred forty-five thousand, eight hundred thirty-two".