2115778324 has 12 divisors (see below), whose sum is σ = 4039213248. Its totient is φ = 961717400.

The previous prime is 2115778319. The next prime is 2115778361. The reversal of 2115778324 is 4238775112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24042892 + ... + 24042979.

It is an arithmetic number, because the mean of its divisors is an integer number (336601104).

Almost surely, 2^2115778324 is an apocalyptic number.

It is an amenable number.

2115778324 is a deficient number, since it is larger than the sum of its proper divisors (1923434924).

2115778324 is a wasteful number, since it uses less digits than its factorization.

2115778324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48085886 (or 48085884 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 2115778324 is about 45997.5904151511. The cubic root of 2115778324 is about 1283.7783711506.

The spelling of 2115778324 in words is "two billion, one hundred fifteen million, seven hundred seventy-eight thousand, three hundred twenty-four".