115564305 has 32 divisors (see below), whose sum is σ = 197074944. Its totient is φ = 57692096.

The previous prime is 115564271. The next prime is 115564343. The reversal of 115564305 is 503465511.

It is not a de Polignac number, because 115564305 - 2⁹ = 115563793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12652 + ... + 19778.

It is an arithmetic number, because the mean of its divisors is an integer number (6158592).

Almost surely, 2^115564305 is an apocalyptic number.

115564305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115564305 is a deficient number, since it is larger than the sum of its proper divisors (81510639).

115564305 is a wasteful number, since it uses less digits than its factorization.

115564305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 115564305 is about 10750.0839531606. The cubic root of 115564305 is about 487.0885311716.

The spelling of 115564305 in words is "one hundred fifteen million, five hundred sixty-four thousand, three hundred five".