115528 has 16 divisors (see below), whose sum is σ = 247680. Its totient is φ = 49488.

The previous prime is 115523. The next prime is 115547. The reversal of 115528 is 825511.

It is a junction number, because it is equal to n+sod(n) for n = 115499 and 115508.

It is not an unprimeable number, because it can be changed into a prime (115523) by changing a digit.

115528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976 + ... + 1087.

It is an arithmetic number, because the mean of its divisors is an integer number (15480).

2¹¹⁵⁵²⁸ is an apocalyptic number.

It is an amenable number.

115528 is an abundant number, since it is smaller than the sum of its proper divisors (132152).

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

115528 is a wasteful number, since it uses less digits than its factorization.

115528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2072 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 115528 is about 339.8941011551. The cubic root of 115528 is about 48.7037518877.

It can be divided in two parts, 11552 and 8, that multiplied together give a square (92416 = 304²).

The spelling of 115528 in words is "one hundred fifteen thousand, five hundred twenty-eight".