13091157252 has 24 divisors (see below), whose sum is σ = 33940037600. Its totient is φ = 4363719048.

The previous prime is 13091157199. The next prime is 13091157271. The reversal of 13091157252 is 25275119031.

13091157252 is a `hidden beast` number, since 1 + 30 + 9 + 1 + 1 + 572 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60607102 + ... + 60607317.

Almost surely, 2^13091157252 is an apocalyptic number.

13091157252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13091157252 is an abundant number, since it is smaller than the sum of its proper divisors (20848880348).

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

13091157252 is a wasteful number, since it uses less digits than its factorization.

13091157252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121214432 (or 121214424 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 13091157252 in words is "thirteen billion, ninety-one million, one hundred fifty-seven thousand, two hundred fifty-two".