115511712325 has 12 divisors (see below), whose sum is σ = 143659562020. Its totient is φ = 92135151360.

The previous prime is 115511712299. The next prime is 115511712331. The reversal of 115511712325 is 523217115511.

It can be written as a sum of positive squares in 6 ways, for example, as 6874233921 + 108637478404 = 82911^2 + 329602^2 .

It is not a de Polignac number, because 115511712325 - 2⁵ = 115511712293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6846870 + ... + 6863719.

Almost surely, 2^115511712325 is an apocalyptic number.

It is an amenable number.

115511712325 is a deficient number, since it is larger than the sum of its proper divisors (28147849695).

115511712325 is a wasteful number, since it uses less digits than its factorization.

115511712325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13710936 (or 13710931 counting only the distinct ones).

The product of its digits is 10500, while the sum is 34.

Adding to 115511712325 its reverse (523217115511), we get a palindrome (638728827836).

The spelling of 115511712325 in words is "one hundred fifteen billion, five hundred eleven million, seven hundred twelve thousand, three hundred twenty-five".