115289055 has 64 divisors (see below), whose sum is σ = 246604800. Its totient is φ = 49921920.

The previous prime is 115289051. The next prime is 115289113. The reversal of 115289055 is 550982511.

It is a happy number.

It is not a de Polignac number, because 115289055 - 2² = 115289051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115289051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14745 + ... + 21165.

It is an arithmetic number, because the mean of its divisors is an integer number (3853200).

Almost surely, 2^115289055 is an apocalyptic number.

115289055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115289055 is an abundant number, since it is smaller than the sum of its proper divisors (131315745).

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

115289055 is a wasteful number, since it uses less digits than its factorization.

115289055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461 (or 6455 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 115289055 is about 10737.2740954117. The cubic root of 115289055 is about 486.7015094109.

The spelling of 115289055 in words is "one hundred fifteen million, two hundred eighty-nine thousand, fifty-five".