115368561 has 48 divisors (see below), whose sum is σ = 208860288. Its totient is φ = 59616000.

The previous prime is 115368499. The next prime is 115368569. The reversal of 115368561 is 165863511.

It is not a de Polignac number, because 115368561 - 2⁶ = 115368497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115368569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191661 + ... + 192261.

It is an arithmetic number, because the mean of its divisors is an integer number (4351256).

Almost surely, 2^115368561 is an apocalyptic number.

115368561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115368561 is a deficient number, since it is larger than the sum of its proper divisors (93491727).

115368561 is a wasteful number, since it uses less digits than its factorization.

115368561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 899 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 115368561 is about 10740.9757936605. The cubic root of 115368561 is about 486.8133639099.

The spelling of 115368561 in words is "one hundred fifteen million, three hundred sixty-eight thousand, five hundred sixty-one".