13157154161 has 4 divisors (see below), whose sum is σ = 13157430000. Its totient is φ = 13156878324.

The previous prime is 13157154113. The next prime is 13157154173. The reversal of 13157154161 is 16145175131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13157154161 - 2¹⁸ = 13156892017 is a prime.

It is a super-2 number, since 2×13157154161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13157654161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45911 + ... + 168588.

It is an arithmetic number, because the mean of its divisors is an integer number (3289357500).

Almost surely, 2^13157154161 is an apocalyptic number.

It is an amenable number.

13157154161 is a deficient number, since it is larger than the sum of its proper divisors (275839).

13157154161 is an equidigital number, since it uses as much as digits as its factorization.

13157154161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275838.

The product of its digits is 12600, while the sum is 35.

The spelling of 13157154161 in words is "thirteen billion, one hundred fifty-seven million, one hundred fifty-four thousand, one hundred sixty-one".