2115915108 has 24 divisors (see below), whose sum is σ = 4939374720. Its totient is φ = 704985120.

The previous prime is 2115915097. The next prime is 2115915157. The reversal of 2115915108 is 8015195112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11628 + ... + 66083.

It is an arithmetic number, because the mean of its divisors is an integer number (205807280).

Almost surely, 2^2115915108 is an apocalyptic number.

It is an amenable number.

2115915108 is an abundant number, since it is smaller than the sum of its proper divisors (2823459612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115915108 is a wasteful number, since it uses less digits than its factorization.

2115915108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79987 (or 79985 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 33.

The square root of 2115915108 is about 45999.0772516145. The cubic root of 2115915108 is about 1283.8060357622.

The spelling of 2115915108 in words is "two billion, one hundred fifteen million, nine hundred fifteen thousand, one hundred eight".