2115275312 has 40 divisors (see below), whose sum is σ = 4270299600. Its totient is φ = 1013789952.

The previous prime is 2115275299. The next prime is 2115275317. The reversal of 2115275312 is 2135725112.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (2115275317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48098 + ... + 80894.

It is an arithmetic number, because the mean of its divisors is an integer number (106757490).

Almost surely, 2^2115275312 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 2115275312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135149800).

2115275312 is an abundant number, since it is smaller than the sum of its proper divisors (2155024288).

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

2115275312 is a wasteful number, since it uses less digits than its factorization.

2115275312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32973 (or 32967 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 2115275312 is about 45992.1222819735. The cubic root of 2115275312 is about 1283.6766265428.

The spelling of 2115275312 in words is "two billion, one hundred fifteen million, two hundred seventy-five thousand, three hundred twelve".