136511375155 has 4 divisors (see below), whose sum is σ = 163813650192. Its totient is φ = 109209100120.

The previous prime is 136511375131. The next prime is 136511375167. The reversal of 136511375155 is 551573115631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551573115631 = 449 ⋅1228447919.

It is not a de Polignac number, because 136511375155 - 2²⁵ = 136477820723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13651137511 + ... + 13651137520.

It is an arithmetic number, because the mean of its divisors is an integer number (40953412548).

Almost surely, 2^136511375155 is an apocalyptic number.

136511375155 is a deficient number, since it is larger than the sum of its proper divisors (27302275037).

136511375155 is an equidigital number, since it uses as much as digits as its factorization.

136511375155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27302275036.

The product of its digits is 236250, while the sum is 43.

The spelling of 136511375155 in words is "one hundred thirty-six billion, five hundred eleven million, three hundred seventy-five thousand, one hundred fifty-five".