13161157674523 has 8 divisors (see below), whose sum is σ = 13248009507200. Its totient is φ = 13074498206208.

The previous prime is 13161157674433. The next prime is 13161157674541. The reversal of 13161157674523 is 32547675116131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13161157674523 - 2¹³ = 13161157666331 is a prime.

It is a super-2 number, since 2×13161157674523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13161157674923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47953803 + ... + 48227476.

It is an arithmetic number, because the mean of its divisors is an integer number (1656001188400).

Almost surely, 2^{13161157674523} is an apocalyptic number.

13161157674523 is a deficient number, since it is larger than the sum of its proper divisors (86851832677).

13161157674523 is an equidigital number, since it uses as much as digits as its factorization.

13161157674523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96182181.

The product of its digits is 3175200, while the sum is 52.

The spelling of 13161157674523 in words is "thirteen trillion, one hundred sixty-one billion, one hundred fifty-seven million, six hundred seventy-four thousand, five hundred twenty-three".