115564636 has 24 divisors (see below), whose sum is σ = 222906096. Its totient is φ = 51985920.

The previous prime is 115564583. The next prime is 115564637. The reversal of 115564636 is 636465511.

It is a junction number, because it is equal to n+sod(n) for n = 115564595 and 115564604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115564637) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9271 + ... + 17806.

It is an arithmetic number, because the mean of its divisors is an integer number (9287754).

Almost surely, 2^115564636 is an apocalyptic number.

It is an amenable number.

115564636 is a deficient number, since it is larger than the sum of its proper divisors (107341460).

115564636 is a wasteful number, since it uses less digits than its factorization.

115564636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27189 (or 27187 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 115564636 is about 10750.0993483781. The cubic root of 115564636 is about 487.0889962118.

The spelling of 115564636 in words is "one hundred fifteen million, five hundred sixty-four thousand, six hundred thirty-six".