131252712525 has 96 divisors (see below), whose sum is σ = 274472432640. Its totient is φ = 60870744000.

The previous prime is 131252712497. The next prime is 131252712527. The reversal of 131252712525 is 525217252131.

131252712525 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 527 + 125 + 2 + 5 = 666.

It is not a de Polignac number, because 131252712525 - 2¹² = 131252708429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131252712525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131252712527) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 213511 + ... + 555060.

It is an arithmetic number, because the mean of its divisors is an integer number (2859087840).

Almost surely, 2^131252712525 is an apocalyptic number.

131252712525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131252712525 is an abundant number, since it is smaller than the sum of its proper divisors (143219720115).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131252712525 is a wasteful number, since it uses less digits than its factorization.

131252712525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768624 (or 768613 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

Adding to 131252712525 its reverse (525217252131), we get a palindrome (656469964656).

The spelling of 131252712525 in words is "one hundred thirty-one billion, two hundred fifty-two million, seven hundred twelve thousand, five hundred twenty-five".