2115963752 has 128 divisors (see below), whose sum is σ = 5134026240. Its totient is φ = 796139520.

The previous prime is 2115963749. The next prime is 2115963809. The reversal of 2115963752 is 2573695112.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 31 ways as a sum of consecutive naturals, for example, 896558 + ... + 898914.

It is an arithmetic number, because the mean of its divisors is an integer number (40109580).

Almost surely, 2^2115963752 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 2115963752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2567013120).

2115963752 is an abundant number, since it is smaller than the sum of its proper divisors (3018062488).

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

2115963752 is a wasteful number, since it uses less digits than its factorization.

2115963752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2447 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 2115963752 is about 45999.6059983126. The cubic root of 2115963752 is about 1283.8158737408.

The spelling of 2115963752 in words is "two billion, one hundred fifteen million, nine hundred sixty-three thousand, seven hundred fifty-two".