2115192800 has 108 divisors (see below), whose sum is σ = 6006881160. Its totient is φ = 725195520.

The previous prime is 2115192797. The next prime is 2115192817. The reversal of 2115192800 is 82915112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12221 + ... + 66179.

It is an arithmetic number, because the mean of its divisors is an integer number (55619270).

Almost surely, 2^2115192800 is an apocalyptic number.

2115192800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115192800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3003440580).

2115192800 is an abundant number, since it is smaller than the sum of its proper divisors (3891688360).

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

2115192800 is a wasteful number, since it uses less digits than its factorization.

2115192800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53993 (or 53973 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 2115192800 is about 45991.2252500409. The cubic root of 2115192800 is about 1283.6599352399.

The spelling of 2115192800 in words is "two billion, one hundred fifteen million, one hundred ninety-two thousand, eight hundred".