115215953 has 8 divisors (see below), whose sum is σ = 122184288. Its totient is φ = 108268864.

The previous prime is 115215931. The next prime is 115215977. The reversal of 115215953 is 359512511.

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 115215953 - 2¹⁶ = 115150417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115215913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6650 + ... + 16572.

It is an arithmetic number, because the mean of its divisors is an integer number (15273036).

Almost surely, 2^115215953 is an apocalyptic number.

It is an amenable number.

115215953 is a deficient number, since it is larger than the sum of its proper divisors (6968335).

115215953 is an equidigital number, since it uses as much as digits as its factorization.

115215953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623.

The product of its digits is 6750, while the sum is 32.

The square root of 115215953 is about 10733.8694327815. The cubic root of 115215953 is about 486.5986191111.

The spelling of 115215953 in words is "one hundred fifteen million, two hundred fifteen thousand, nine hundred fifty-three".