2115112830 has 32 divisors (see below), whose sum is σ = 5162313600. Its totient is φ = 554469792.

The previous prime is 2115112829. The next prime is 2115112843. The reversal of 2115112830 is 382115112.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2115112830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595720 + ... + 599259.

It is an arithmetic number, because the mean of its divisors is an integer number (161322300).

Almost surely, 2^2115112830 is an apocalyptic number.

2115112830 is an abundant number, since it is smaller than the sum of its proper divisors (3047200770).

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

2115112830 is a wasteful number, since it uses less digits than its factorization.

2115112830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195048.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 2115112830 is about 45990.3558368491. The cubic root of 2115112830 is about 1283.6437577424.

Adding to 2115112830 its reverse (382115112), we get a palindrome (2497227942).

The spelling of 2115112830 in words is "two billion, one hundred fifteen million, one hundred twelve thousand, eight hundred thirty".