2115113112 has 96 divisors (see below), whose sum is σ = 6553198080. Its totient is φ = 603725760.

The previous prime is 2115113107. The next prime is 2115113171. The reversal of 2115113112 is 2113115112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 941863 + ... + 944105.

It is an arithmetic number, because the mean of its divisors is an integer number (68262480).

Almost surely, 2^2115113112 is an apocalyptic number.

It is an amenable number.

2115113112 is an abundant number, since it is smaller than the sum of its proper divisors (4438084968).

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

2115113112 is a wasteful number, since it uses less digits than its factorization.

2115113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133 (or 4126 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 2115113112 is about 45990.3589027092. The cubic root of 2115113112 is about 1283.6438147902.

Adding to 2115113112 its reverse (2113115112), we get a palindrome (4228228224).

The spelling of 2115113112 in words is "two billion, one hundred fifteen million, one hundred thirteen thousand, one hundred twelve".