115571128 has 64 divisors (see below), whose sum is σ = 232696800. Its totient is φ = 53729280.

The previous prime is 115571107. The next prime is 115571153. The reversal of 115571128 is 821175511.

115571128 is a Rhonda number in base 10.

Its product of digits (2800) is a multiple of the sum of its prime factors (280).

It is a self number, because there is not a number n which added to its sum of digits gives 115571128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080051 + ... + 1080157.

Almost surely, 2^115571128 is an apocalyptic number.

It is an amenable number.

115571128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

115571128 is a wasteful number, since it uses less digits than its factorization.

115571128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 276 counting only the distinct ones).

The product of its digits is 2800, while the sum is 31.

The square root of 115571128 is about 10750.4012948355. The cubic root of 115571128 is about 487.0981170025.

The spelling of 115571128 in words is "one hundred fifteen million, five hundred seventy-one thousand, one hundred twenty-eight".