115504536 has 128 divisors (see below), whose sum is σ = 344678400. Its totient is φ = 31570560.

The previous prime is 115504531. The next prime is 115504547. The reversal of 115504536 is 635405511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115504531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426081 + ... + 426351.

It is an arithmetic number, because the mean of its divisors is an integer number (2692800).

Almost surely, 2^115504536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115504536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172339200).

115504536 is an abundant number, since it is smaller than the sum of its proper divisors (229173864).

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

115504536 is a wasteful number, since it uses less digits than its factorization.

115504536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 115504536 is about 10747.3036618493. The cubic root of 115504536 is about 487.0045438342.

The spelling of 115504536 in words is "one hundred fifteen million, five hundred four thousand, five hundred thirty-six".