2115052172 has 12 divisors (see below), whose sum is σ = 3701765760. Its totient is φ = 1057404816.

The previous prime is 2115052171. The next prime is 2115052183. The reversal of 2115052172 is 2712505112.

It is not an unprimeable number, because it can be changed into a prime (2115052171) 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 3 ways as a sum of consecutive naturals, for example, 17198 + ... + 67274.

It is an arithmetic number, because the mean of its divisors is an integer number (308480480).

Almost surely, 2^2115052172 is an apocalyptic number.

It is an amenable number.

2115052172 is a deficient number, since it is larger than the sum of its proper divisors (1586713588).

2115052172 is a wasteful number, since it uses less digits than its factorization.

2115052172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60640 (or 60638 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 2115052172 is about 45989.6963677735. The cubic root of 2115052172 is about 1283.6314866858.

Adding to 2115052172 its reverse (2712505112), we get a palindrome (4827557284).

The spelling of 2115052172 in words is "two billion, one hundred fifteen million, fifty-two thousand, one hundred seventy-two".