2113908115 has 12 divisors (see below), whose sum is σ = 2788263072. Its totient is φ = 1537387280.

The previous prime is 2113908103. The next prime is 2113908119. The reversal of 2113908115 is 5118093112.

It is not a de Polignac number, because 2113908115 - 2¹³ = 2113899923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113908119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746427 + ... + 1747636.

It is an arithmetic number, because the mean of its divisors is an integer number (232355256).

Almost surely, 2^2113908115 is an apocalyptic number.

2113908115 is a deficient number, since it is larger than the sum of its proper divisors (674354957).

2113908115 is a wasteful number, since it uses less digits than its factorization.

2113908115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494090 (or 3494079 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 2113908115 is about 45977.2564970986. The cubic root of 2113908115 is about 1283.4000010718.

The spelling of 2113908115 in words is "two billion, one hundred thirteen million, nine hundred eight thousand, one hundred fifteen".