115809088 has 14 divisors (see below), whose sum is σ = 229808786. Its totient is φ = 57904512.

The previous prime is 115809079. The next prime is 115809091. The reversal of 115809088 is 880908511.

It can be written as a sum of positive squares in only one way, i.e., 115089984 + 719104 = 10728^2 + 848^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115809088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904695 + ... + 904822.

Almost surely, 2^115809088 is an apocalyptic number.

It is an amenable number.

115809088 is a deficient number, since it is larger than the sum of its proper divisors (113999698).

115809088 is an equidigital number, since it uses as much as digits as its factorization.

115809088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809529 (or 1809519 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 115809088 is about 10761.4630975532. The cubic root of 115809088 is about 487.4321981532.

The spelling of 115809088 in words is "one hundred fifteen million, eight hundred nine thousand, eighty-eight".