115528751 has 4 divisors (see below), whose sum is σ = 124415592. Its totient is φ = 106641912.

The previous prime is 115528739. The next prime is 115528757. The reversal of 115528751 is 157825511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 115528751 - 2⁶ = 115528687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115528757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4443401 + ... + 4443426.

It is an arithmetic number, because the mean of its divisors is an integer number (31103898).

Almost surely, 2^115528751 is an apocalyptic number.

115528751 is a deficient number, since it is larger than the sum of its proper divisors (8886841).

115528751 is an equidigital number, since it uses as much as digits as its factorization.

115528751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886840.

The product of its digits is 14000, while the sum is 35.

The square root of 115528751 is about 10748.4301644473. The cubic root of 115528751 is about 487.0385742178.

The spelling of 115528751 in words is "one hundred fifteen million, five hundred twenty-eight thousand, seven hundred fifty-one".