13162256135161 has 4 divisors (see below), whose sum is σ = 15042578440192. Its totient is φ = 11281933830132.

The previous prime is 13162256135131. The next prime is 13162256135261. The reversal of 13162256135161 is 16153165226131.

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 not a de Polignac number, because 13162256135161 - 2³³ = 13153666200569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13162256135101) 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, 940161152505 + ... + 940161152518.

It is an arithmetic number, because the mean of its divisors is an integer number (3760644610048).

Almost surely, 2^{13162256135161} is an apocalyptic number.

It is an amenable number.

13162256135161 is a deficient number, since it is larger than the sum of its proper divisors (1880322305031).

13162256135161 is an equidigital number, since it uses as much as digits as its factorization.

13162256135161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880322305030.

The product of its digits is 194400, while the sum is 43.

The spelling of 13162256135161 in words is "thirteen trillion, one hundred sixty-two billion, two hundred fifty-six million, one hundred thirty-five thousand, one hundred sixty-one".