2115745608 has 128 divisors (see below), whose sum is σ = 6021734400. Its totient is φ = 615343104.

The previous prime is 2115745603. The next prime is 2115745609. The reversal of 2115745608 is 8065475112.

It is not an unprimeable number, because it can be changed into a prime (2115745601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361441 + ... + 367247.

It is an arithmetic number, because the mean of its divisors is an integer number (47044800).

Almost surely, 2^2115745608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115745608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3010867200).

2115745608 is an abundant number, since it is smaller than the sum of its proper divisors (3905988792).

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

2115745608 is a wasteful number, since it uses less digits than its factorization.

2115745608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899 (or 5895 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 2115745608 is about 45997.2347864521. The cubic root of 2115745608 is about 1283.7717541516.

The spelling of 2115745608 in words is "two billion, one hundred fifteen million, seven hundred forty-five thousand, six hundred eight".