131332521544525 has 36 divisors (see below), whose sum is σ = 189442482131700. Its totient is φ = 90055625721600.

The previous prime is 131332521544463. The next prime is 131332521544537. The reversal of 131332521544525 is 525445125233131.

It can be written as a sum of positive squares in 6 ways, for example, as 23528262152836 + 107804259391689 = 4850594^2 + 10382883^2 .

It is not a de Polignac number, because 131332521544525 - 2¹¹ = 131332521542477 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125714835 + ... + 126755215.

It is an arithmetic number, because the mean of its divisors is an integer number (5262291170325).

Almost surely, 2^{131332521544525} is an apocalyptic number.

It is an amenable number.

131332521544525 is a deficient number, since it is larger than the sum of its proper divisors (58109960587175).

131332521544525 is a wasteful number, since it uses less digits than its factorization.

131332521544525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143454 (or 1143442 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 46.

Adding to 131332521544525 its reverse (525445125233131), we get a palindrome (656777646777656).

The spelling of 131332521544525 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, five hundred twenty-one million, five hundred forty-four thousand, five hundred twenty-five".