13085856504 has 120 divisors (see below), whose sum is σ = 42636702240. Its totient is φ = 3738807072.

The previous prime is 13085856481. The next prime is 13085856517. The reversal of 13085856504 is 40565858031.

13085856504 is a `hidden beast` number, since 1 + 3 + 0 + 8 + 585 + 65 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13085856504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 174312 + ... + 237815.

It is an arithmetic number, because the mean of its divisors is an integer number (355305852).

Almost surely, 2^13085856504 is an apocalyptic number.

13085856504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13085856504 is an abundant number, since it is smaller than the sum of its proper divisors (29550845736).

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

13085856504 is a wasteful number, since it uses less digits than its factorization.

13085856504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412159 (or 412139 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 13085856504 in words is "thirteen billion, eighty-five million, eight hundred fifty-six thousand, five hundred four".