115513752 has 16 divisors (see below), whose sum is σ = 288784440. Its totient is φ = 38504576.

The previous prime is 115513747. The next prime is 115513753. The reversal of 115513752 is 257315511.

It is a super-2 number, since 2×115513752² = 26686853802235008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115513753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406513 + ... + 2406560.

Almost surely, 2^115513752 is an apocalyptic number.

115513752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115513752 is an abundant number, since it is smaller than the sum of its proper divisors (173270688).

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

115513752 is a wasteful number, since it uses less digits than its factorization.

115513752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813082 (or 4813078 counting only the distinct ones).

The product of its digits is 5250, while the sum is 30.

The square root of 115513752 is about 10747.7324120021. The cubic root of 115513752 is about 487.0174960370.

The spelling of 115513752 in words is "one hundred fifteen million, five hundred thirteen thousand, seven hundred fifty-two".