115128576 has 108 divisors (see below), whose sum is σ = 335763792. Its totient is φ = 37936128.

The previous prime is 115128569. The next prime is 115128577. The reversal of 115128576 is 675821511.

115128576 is a `hidden beast` number, since 11 + 51 + 28 + 576 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 115128576.

It is not an unprimeable number, because it can be changed into a prime (115128577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246295 + ... + 246761.

It is an arithmetic number, because the mean of its divisors is an integer number (3108924).

Almost surely, 2^115128576 is an apocalyptic number.

115128576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115128576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167881896).

115128576 is an abundant number, since it is smaller than the sum of its proper divisors (220635216).

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

115128576 is a wasteful number, since it uses less digits than its factorization.

115128576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 579 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 115128576 is about 10729.7985069618. The cubic root of 115128576 is about 486.4755797835.

The spelling of 115128576 in words is "one hundred fifteen million, one hundred twenty-eight thousand, five hundred seventy-six".