2151103115 has 16 divisors (see below), whose sum is σ = 2985631488. Its totient is φ = 1457268576.

The previous prime is 2151103091. The next prime is 2151103127. The reversal of 2151103115 is 5113011512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2151103115 - 2⁸ = 2151102859 is a prime.

It is a super-2 number, since 2×2151103115² = 9254489222725406450, which contains 22 as substring.

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, 367337 + ... + 373146.

It is an arithmetic number, because the mean of its divisors is an integer number (186601968).

Almost surely, 2^2151103115 is an apocalyptic number.

2151103115 is a deficient number, since it is larger than the sum of its proper divisors (834528373).

2151103115 is an equidigital number, since it uses as much as digits as its factorization.

2151103115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740578.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 2151103115 is about 46379.9861470441. The cubic root of 2151103115 is about 1290.8835793028.

Adding to 2151103115 its reverse (5113011512), we get a palindrome (7264114627).

The spelling of 2151103115 in words is "two billion, one hundred fifty-one million, one hundred three thousand, one hundred fifteen".