115525340212 has 12 divisors (see below), whose sum is σ = 202172476996. Its totient is φ = 57761775360.

The previous prime is 115525340173. The next prime is 115525340213. The reversal of 115525340212 is 212043525511.

It can be written as a sum of positive squares in 2 ways, for example, as 97128215716 + 18397124496 = 311654^2 + 135636^2 .

It is a super-2 number, since 2×115525340212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115525340213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128398 + ... + 497530.

Almost surely, 2^115525340212 is an apocalyptic number.

It is an amenable number.

115525340212 is a deficient number, since it is larger than the sum of its proper divisors (86647136784).

115525340212 is a wasteful number, since it uses less digits than its factorization.

115525340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447378 (or 447376 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 115525340212 its reverse (212043525511), we get a palindrome (327568865723).

The spelling of 115525340212 in words is "one hundred fifteen billion, five hundred twenty-five million, three hundred forty thousand, two hundred twelve".