13157367804171 has 32 divisors (see below), whose sum is σ = 19830357254400. Its totient is φ = 8619610023360.

The previous prime is 13157367804169. The next prime is 13157367804179. The reversal of 13157367804171 is 17140876375131.

It is a happy number.

13157367804171 is a `hidden beast` number, since 1 + 3 + 1 + 573 + 67 + 8 + 0 + 4 + 1 + 7 + 1 = 666.

It is not a de Polignac number, because 13157367804171 - 2¹ = 13157367804169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13157367804179) 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, 2590836 + ... + 5746926.

It is an arithmetic number, because the mean of its divisors is an integer number (619698664200).

Almost surely, 2^{13157367804171} is an apocalyptic number.

13157367804171 is a deficient number, since it is larger than the sum of its proper divisors (6672989450229).

13157367804171 is a wasteful number, since it uses less digits than its factorization.

13157367804171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158776 (or 3158770 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 13157367804171 in words is "thirteen trillion, one hundred fifty-seven billion, three hundred sixty-seven million, eight hundred four thousand, one hundred seventy-one".