2115425412 has 72 divisors (see below), whose sum is σ = 5453229600. Its totient is φ = 691244928.

The previous prime is 2115425393. The next prime is 2115425419. The reversal of 2115425412 is 2145245112.

It is a happy number.

2115425412 is a `hidden beast` number, since 2 + 115 + 4 + 2 + 541 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2115425419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888768 + ... + 891144.

It is an arithmetic number, because the mean of its divisors is an integer number (75739300).

Almost surely, 2^2115425412 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 2115425412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726614800).

2115425412 is an abundant number, since it is smaller than the sum of its proper divisors (3337804188).

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

2115425412 is a wasteful number, since it uses less digits than its factorization.

2115425412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2860 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2115425412 is about 45993.7540542191. The cubic root of 2115425412 is about 1283.7069890687.

The spelling of 2115425412 in words is "two billion, one hundred fifteen million, four hundred twenty-five thousand, four hundred twelve".