115135532525 has 12 divisors (see below), whose sum is σ = 153750219252. Its totient is φ = 85023162240.

The previous prime is 115135532497. The next prime is 115135532527. The reversal of 115135532525 is 525235531511.

It can be written as a sum of positive squares in 6 ways, for example, as 8315068969 + 106820463556 = 91187^2 + 326834^2 .

It is not a de Polignac number, because 115135532525 - 2⁸ = 115135532269 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 (115135532527) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 177131264 + ... + 177131913.

It is an arithmetic number, because the mean of its divisors is an integer number (12812518271).

Almost surely, 2^115135532525 is an apocalyptic number.

It is an amenable number.

115135532525 is a deficient number, since it is larger than the sum of its proper divisors (38614686727).

115135532525 is a wasteful number, since it uses less digits than its factorization.

115135532525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354263200 (or 354263195 counting only the distinct ones).

The product of its digits is 112500, while the sum is 38.

The spelling of 115135532525 in words is "one hundred fifteen billion, one hundred thirty-five million, five hundred thirty-two thousand, five hundred twenty-five".