131895265117 has 16 divisors (see below), whose sum is σ = 164479923072. Its totient is φ = 102751110720.

The previous prime is 131895265087. The next prime is 131895265193. The reversal of 131895265117 is 711562598131.

It is a cyclic number.

It is not a de Polignac number, because 131895265117 - 2⁷ = 131895264989 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 (131895265217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126103 + ... + 528859.

It is an arithmetic number, because the mean of its divisors is an integer number (10279995192).

Almost surely, 2^131895265117 is an apocalyptic number.

It is an amenable number.

131895265117 is a deficient number, since it is larger than the sum of its proper divisors (32584657955).

131895265117 is a wasteful number, since it uses less digits than its factorization.

131895265117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407028.

The product of its digits is 453600, while the sum is 49.

The spelling of 131895265117 in words is "one hundred thirty-one billion, eight hundred ninety-five million, two hundred sixty-five thousand, one hundred seventeen".