2040111815 has 12 divisors (see below), whose sum is σ = 2847829896. Its totient is φ = 1398933648.

The previous prime is 2040111793. The next prime is 2040111817. The reversal of 2040111815 is 5181110402.

It is not a de Polignac number, because 2040111815 - 2⁸ = 2040111559 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 (2040111817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4163249 + ... + 4163738.

It is an arithmetic number, because the mean of its divisors is an integer number (237319158).

Almost surely, 2^2040111815 is an apocalyptic number.

2040111815 is a deficient number, since it is larger than the sum of its proper divisors (807718081).

2040111815 is an equidigital number, since it uses as much as digits as its factorization.

2040111815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327006 (or 8326999 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 2040111815 is about 45167.5969584391. The cubic root of 2040111815 is about 1268.2883123966.

The spelling of 2040111815 in words is "two billion, forty million, one hundred eleven thousand, eight hundred fifteen".