131263528552 has 32 divisors (see below), whose sum is σ = 265162804200. Its totient is φ = 60557693184.

The previous prime is 131263528537. The next prime is 131263528577. The reversal of 131263528552 is 255825362131.

It can be written as a sum of positive squares in 4 ways, for example, as 50178688036 + 81084840516 = 224006^2 + 284754^2 .

It is a super-2 number, since 2×131263528552² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131263528499 and 131263528508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15703 + ... + 512614.

Almost surely, 2^131263528552 is an apocalyptic number.

It is an amenable number.

131263528552 is an abundant number, since it is smaller than the sum of its proper divisors (133899275648).

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

131263528552 is a wasteful number, since it uses less digits than its factorization.

131263528552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530725 (or 530721 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 131263528552 in words is "one hundred thirty-one billion, two hundred sixty-three million, five hundred twenty-eight thousand, five hundred fifty-two".