115564265 has 4 divisors (see below), whose sum is σ = 138677124. Its totient is φ = 92451408.

The previous prime is 115564243. The next prime is 115564271. The reversal of 115564265 is 562465511.

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 36638809 + 78925456 = 6053^2 + 8884^2 .

It is a cyclic number.

It is not a de Polignac number, because 115564265 - 2⁶ = 115564201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11556422 + ... + 11556431.

It is an arithmetic number, because the mean of its divisors is an integer number (34669281).

Almost surely, 2^115564265 is an apocalyptic number.

It is an amenable number.

115564265 is a deficient number, since it is larger than the sum of its proper divisors (23112859).

115564265 is an equidigital number, since it uses as much as digits as its factorization.

115564265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23112858.

The product of its digits is 36000, while the sum is 35.

The square root of 115564265 is about 10750.0820927098. The cubic root of 115564265 is about 487.0884749733.

The spelling of 115564265 in words is "one hundred fifteen million, five hundred sixty-four thousand, two hundred sixty-five".