115601550 has 48 divisors (see below), whose sum is σ = 293699952. Its totient is φ = 30073600.

The previous prime is 115601503. The next prime is 115601557. The reversal of 115601550 is 55106511.

It is a self number, because there is not a number n which added to its sum of digits gives 115601550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115601557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3249 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (6118749).

Almost surely, 2^115601550 is an apocalyptic number.

115601550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115601550 is an abundant number, since it is smaller than the sum of its proper divisors (178098402).

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

115601550 is a wasteful number, since it uses less digits than its factorization.

115601550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18853 (or 18848 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 115601550 is about 10751.8161256599. The cubic root of 115601550 is about 487.1408531631.

The spelling of 115601550 in words is "one hundred fifteen million, six hundred one thousand, five hundred fifty".