2150111115 has 32 divisors (see below), whose sum is σ = 3903759360. Its totient is φ = 1122324192.

The previous prime is 2150111101. The next prime is 2150111123. The reversal of 2150111115 is 5111110512.

It is not a de Polignac number, because 2150111115 - 2⁹ = 2150110603 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163089 + ... + 175778.

It is an arithmetic number, because the mean of its divisors is an integer number (121992480).

Almost surely, 2^2150111115 is an apocalyptic number.

2150111115 is a deficient number, since it is larger than the sum of its proper divisors (1753648245).

2150111115 is a wasteful number, since it uses less digits than its factorization.

2150111115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338928 (or 338922 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The square root of 2150111115 is about 46369.2906458574. The cubic root of 2150111115 is about 1290.6851147105.

Adding to 2150111115 its reverse (5111110512), we get a palindrome (7261221627).

The spelling of 2150111115 in words is "two billion, one hundred fifty million, one hundred eleven thousand, one hundred fifteen".