2115566752 has 24 divisors (see below), whose sum is σ = 4485409236. Its totient is φ = 976415232.

The previous prime is 2115566743. The next prime is 2115566753. The reversal of 2115566752 is 2576655112.

It can be written as a sum of positive squares in 2 ways, for example, as 2076078096 + 39488656 = 45564^2 + 6284^2 .

It is not an unprimeable number, because it can be changed into a prime (2115566753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542333 + ... + 2543164.

Almost surely, 2^2115566752 is an apocalyptic number.

It is an amenable number.

2115566752 is an abundant number, since it is smaller than the sum of its proper divisors (2369842484).

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

2115566752 is a wasteful number, since it uses less digits than its factorization.

2115566752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085520 (or 5085512 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 2115566752 is about 45995.2905415326. The cubic root of 2115566752 is about 1283.7355782915.

The spelling of 2115566752 in words is "two billion, one hundred fifteen million, five hundred sixty-six thousand, seven hundred fifty-two".