115522315 has 4 divisors (see below), whose sum is σ = 138626784. Its totient is φ = 92417848.

The previous prime is 115522301. The next prime is 115522321. The reversal of 115522315 is 513225511.

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

It is a cyclic number.

It is not a de Polignac number, because 115522315 - 2⁹ = 115521803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115522315.

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, 11552227 + ... + 11552236.

It is an arithmetic number, because the mean of its divisors is an integer number (34656696).

Almost surely, 2^115522315 is an apocalyptic number.

115522315 is a deficient number, since it is larger than the sum of its proper divisors (23104469).

115522315 is an equidigital number, since it uses as much as digits as its factorization.

115522315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23104468.

The product of its digits is 1500, while the sum is 25.

The square root of 115522315 is about 10748.1307677196. The cubic root of 115522315 is about 487.0295298935.

Adding to 115522315 its reverse (513225511), we get a palindrome (628747826).

The spelling of 115522315 in words is "one hundred fifteen million, five hundred twenty-two thousand, three hundred fifteen".