115506065 has 4 divisors (see below), whose sum is σ = 138607284. Its totient is φ = 92404848.

The previous prime is 115506049. The next prime is 115506089. The reversal of 115506065 is 560605511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68624656 + 46881409 = 8284^2 + 6847^2 .

It is a cyclic number.

It is not a de Polignac number, because 115506065 - 2⁴ = 115506049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11550602 + ... + 11550611.

It is an arithmetic number, because the mean of its divisors is an integer number (34651821).

Almost surely, 2^115506065 is an apocalyptic number.

It is an amenable number.

115506065 is a deficient number, since it is larger than the sum of its proper divisors (23101219).

115506065 is an equidigital number, since it uses as much as digits as its factorization.

115506065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23101218.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 115506065 is about 10747.3747957350. The cubic root of 115506065 is about 487.0066927445.

The spelling of 115506065 in words is "one hundred fifteen million, five hundred six thousand, sixty-five".