131162497585 has 12 divisors (see below), whose sum is σ = 183092139828. Its totient is φ = 89939998176.

The previous prime is 131162497519. The next prime is 131162497603. The reversal of 131162497585 is 585794261131.

It can be written as a sum of positive squares in 2 ways, for example, as 43607462976 + 87555034609 = 208824^2 + 295897^2 .

It is not a de Polignac number, because 131162497585 - 2¹⁷ = 131162366513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267678322 + ... + 267678811.

It is an arithmetic number, because the mean of its divisors is an integer number (15257678319).

Almost surely, 2^131162497585 is an apocalyptic number.

It is an amenable number.

131162497585 is a deficient number, since it is larger than the sum of its proper divisors (51929642243).

131162497585 is an equidigital number, since it uses as much as digits as its factorization.

131162497585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535357152 (or 535357145 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The spelling of 131162497585 in words is "one hundred thirty-one billion, one hundred sixty-two million, four hundred ninety-seven thousand, five hundred eighty-five".