131655857415 has 8 divisors (see below), whose sum is σ = 210649371888. Its totient is φ = 70216457280.

The previous prime is 131655857401. The next prime is 131655857419. The reversal of 131655857415 is 514758556131.

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

It is not a de Polignac number, because 131655857415 - 2⁸ = 131655857159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131655857419) 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, 4388528566 + ... + 4388528595.

It is an arithmetic number, because the mean of its divisors is an integer number (26331171486).

Almost surely, 2^131655857415 is an apocalyptic number.

131655857415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131655857415 is a deficient number, since it is larger than the sum of its proper divisors (78993514473).

131655857415 is an equidigital number, since it uses as much as digits as its factorization.

131655857415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777057169.

The product of its digits is 2520000, while the sum is 51.

The spelling of 131655857415 in words is "one hundred thirty-one billion, six hundred fifty-five million, eight hundred fifty-seven thousand, four hundred fifteen".