115215115 has 8 divisors (see below), whose sum is σ = 143025840. Its totient is φ = 88993632.

The previous prime is 115215109. The next prime is 115215131. The reversal of 115215115 is 511512511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115215115 - 2¹¹ = 115213067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397149 + ... + 397438.

It is an arithmetic number, because the mean of its divisors is an integer number (17878230).

Almost surely, 2^115215115 is an apocalyptic number.

115215115 is a deficient number, since it is larger than the sum of its proper divisors (27810725).

115215115 is an equidigital number, since it uses as much as digits as its factorization.

115215115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794621.

The product of its digits is 250, while the sum is 22.

The square root of 115215115 is about 10733.8303973931. The cubic root of 115215115 is about 486.5974393826.

Adding to 115215115 its reverse (511512511), we get a palindrome (626727626).

The spelling of 115215115 in words is "one hundred fifteen million, two hundred fifteen thousand, one hundred fifteen".