2045111215 has 16 divisors (see below), whose sum is σ = 2808534528. Its totient is φ = 1400456736.

The previous prime is 2045111213. The next prime is 2045111219. The reversal of 2045111215 is 5121115402.

It is not a de Polignac number, because 2045111215 - 2¹ = 2045111213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045111213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13317 + ... + 65326.

It is an arithmetic number, because the mean of its divisors is an integer number (175533408).

Almost surely, 2^2045111215 is an apocalyptic number.

2045111215 is a deficient number, since it is larger than the sum of its proper divisors (763423313).

2045111215 is an equidigital number, since it uses as much as digits as its factorization.

2045111215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79398.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2045111215 is about 45222.9058663859. The cubic root of 2045111215 is about 1269.3234694230.

Adding to 2045111215 its reverse (5121115402), we get a palindrome (7166226617).

The spelling of 2045111215 in words is "two billion, forty-five million, one hundred eleven thousand, two hundred fifteen".