115509552 has 40 divisors (see below), whose sum is σ = 308693040. Its totient is φ = 37175040.

The previous prime is 115509547. The next prime is 115509593. The reversal of 115509552 is 255905511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40099 + ... + 42882.

It is an arithmetic number, because the mean of its divisors is an integer number (7717326).

Almost surely, 2^115509552 is an apocalyptic number.

115509552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115509552 is an abundant number, since it is smaller than the sum of its proper divisors (193183488).

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

115509552 is a wasteful number, since it uses less digits than its factorization.

115509552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83021 (or 83015 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 33.

The square root of 115509552 is about 10747.5370201735. The cubic root of 115509552 is about 487.0115934258.

The spelling of 115509552 in words is "one hundred fifteen million, five hundred nine thousand, five hundred fifty-two".