115561088 has 16 divisors (see below), whose sum is σ = 230219610. Its totient is φ = 57780480.

The previous prime is 115561073. The next prime is 115561099. The reversal of 115561088 is 880165511.

It can be written as a sum of positive squares in only one way, i.e., 89264704 + 26296384 = 9448^2 + 5128^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451283 + ... + 451538.

Almost surely, 2^115561088 is an apocalyptic number.

It is an amenable number.

115561088 is a deficient number, since it is larger than the sum of its proper divisors (114658522).

115561088 is an frugal number, since it uses more digits than its factorization.

115561088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902835 (or 902823 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 35.

The square root of 115561088 is about 10749.9343253808. The cubic root of 115561088 is about 487.0840113840.

The spelling of 115561088 in words is "one hundred fifteen million, five hundred sixty-one thousand, eighty-eight".