131155235552311 has 4 divisors (see below), whose sum is σ = 131156012886624. Its totient is φ = 131154458218000.

The previous prime is 131155235552309. The next prime is 131155235552321. The reversal of 131155235552311 is 113255532551131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131155235552311 - 2¹ = 131155235552309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131155235552321) 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, 388414015 + ... + 388751536.

It is an arithmetic number, because the mean of its divisors is an integer number (32789003221656).

Almost surely, 2^{131155235552311} is an apocalyptic number.

131155235552311 is a deficient number, since it is larger than the sum of its proper divisors (777334313).

131155235552311 is an equidigital number, since it uses as much as digits as its factorization.

131155235552311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777334312.

The product of its digits is 337500, while the sum is 43.

The spelling of 131155235552311 in words is "one hundred thirty-one trillion, one hundred fifty-five billion, two hundred thirty-five million, five hundred fifty-two thousand, three hundred eleven".