115113217 has 4 divisors (see below), whose sum is σ = 115716096. Its totient is φ = 114510340.

The previous prime is 115113211. The next prime is 115113227. The reversal of 115113217 is 712311511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115113217 - 2¹¹ = 115111169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115113211) 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, 301153 + ... + 301534.

It is an arithmetic number, because the mean of its divisors is an integer number (28929024).

Almost surely, 2^115113217 is an apocalyptic number.

It is an amenable number.

115113217 is a deficient number, since it is larger than the sum of its proper divisors (602879).

115113217 is an equidigital number, since it uses as much as digits as its factorization.

115113217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602878.

The product of its digits is 210, while the sum is 22.

The square root of 115113217 is about 10729.0827660150. The cubic root of 115113217 is about 486.4539456796.

Adding to 115113217 its reverse (712311511), we get a palindrome (827424728).

The spelling of 115113217 in words is "one hundred fifteen million, one hundred thirteen thousand, two hundred seventeen".