131610661635075 has 24 divisors (see below), whose sum is σ = 248681478747648. Its totient is φ = 60164873890080.

The previous prime is 131610661635031. The next prime is 131610661635191. The reversal of 131610661635075 is 570536166016131.

It is not a de Polignac number, because 131610661635075 - 2¹¹ = 131610661633027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125343486747 + ... + 125343487796.

It is an arithmetic number, because the mean of its divisors is an integer number (10361728281152).

Almost surely, 2^{131610661635075} is an apocalyptic number.

131610661635075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131610661635075 is a deficient number, since it is larger than the sum of its proper divisors (117070817112573).

131610661635075 is a wasteful number, since it uses less digits than its factorization.

131610661635075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250686974563 (or 250686974558 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 131610661635075 in words is "one hundred thirty-one trillion, six hundred ten billion, six hundred sixty-one million, six hundred thirty-five thousand, seventy-five".