115020065 has 4 divisors (see below), whose sum is σ = 138024084. Its totient is φ = 92016048.

The previous prime is 115020049. The next prime is 115020067. The reversal of 115020065 is 560020511.

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 47665216 + 67354849 = 6904^2 + 8207^2 .

It is a cyclic number.

It is not a de Polignac number, because 115020065 - 2⁴ = 115020049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115020067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11502002 + ... + 11502011.

It is an arithmetic number, because the mean of its divisors is an integer number (34506021).

Almost surely, 2^115020065 is an apocalyptic number.

It is an amenable number.

115020065 is a deficient number, since it is larger than the sum of its proper divisors (23004019).

115020065 is an equidigital number, since it uses as much as digits as its factorization.

115020065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23004018.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115020065 is about 10724.7407894084. The cubic root of 115020065 is about 486.3226940658.

Adding to 115020065 its reverse (560020511), we get a palindrome (675040576).

The spelling of 115020065 in words is "one hundred fifteen million, twenty thousand, sixty-five".