2115425115 has 48 divisors (see below), whose sum is σ = 3907657728. Its totient is φ = 1056187968.

The previous prime is 2115425099. The next prime is 2115425129. The reversal of 2115425115 is 5115245112.

It is a happy number.

2115425115 is a `hidden beast` number, since 2 + 1 + 1 + 542 + 5 + 115 = 666.

It is not a de Polignac number, because 2115425115 - 2⁴ = 2115425099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26902 + ... + 70388.

It is an arithmetic number, because the mean of its divisors is an integer number (81409536).

Almost surely, 2^2115425115 is an apocalyptic number.

2115425115 is a deficient number, since it is larger than the sum of its proper divisors (1792232613).

2115425115 is a wasteful number, since it uses less digits than its factorization.

2115425115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43568 (or 43565 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 2115425115 is about 45993.7508255198. The cubic root of 2115425115 is about 1283.7069289924.

The spelling of 2115425115 in words is "two billion, one hundred fifteen million, four hundred twenty-five thousand, one hundred fifteen".