131512673125 has 10 divisors (see below), whose sum is σ = 164338237118. Its totient is φ = 105210138000.

The previous prime is 131512673113. The next prime is 131512673129. The reversal of 131512673125 is 521376215131.

It can be written as a sum of positive squares in 5 ways, for example, as 14308465924 + 117204207201 = 119618^2 + 342351^2 .

It is a de Polignac number, because none of the positive numbers 2^k-131512673125 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 (131512673129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 105209514 + ... + 105210763.

Almost surely, 2^131512673125 is an apocalyptic number.

It is an amenable number.

131512673125 is a deficient number, since it is larger than the sum of its proper divisors (32825563993).

131512673125 is an frugal number, since it uses more digits than its factorization.

131512673125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210420297 (or 210420282 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

Adding to 131512673125 its reverse (521376215131), we get a palindrome (652888888256).

The spelling of 131512673125 in words is "one hundred thirty-one billion, five hundred twelve million, six hundred seventy-three thousand, one hundred twenty-five".