2115853316 has 24 divisors (see below), whose sum is σ = 3761425920. Its totient is φ = 1041221952.

The previous prime is 2115853307. The next prime is 2115853331. The reversal of 2115853316 is 6133585112.

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, 134765 + ... + 149643.

It is an arithmetic number, because the mean of its divisors is an integer number (156726080).

Almost surely, 2^2115853316 is an apocalyptic number.

It is an amenable number.

2115853316 is a deficient number, since it is larger than the sum of its proper divisors (1645572604).

2115853316 is a wasteful number, since it uses less digits than its factorization.

2115853316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15443 (or 15441 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 2115853316 is about 45998.4055810634. The cubic root of 2115853316 is about 1283.7935384564.

The spelling of 2115853316 in words is "two billion, one hundred fifteen million, eight hundred fifty-three thousand, three hundred sixteen".