2115042205 has 16 divisors (see below), whose sum is σ = 2548930608. Its totient is φ = 1684800000.

The previous prime is 2115042187. The next prime is 2115042229. The reversal of 2115042205 is 5022405112.

It can be written as a sum of positive squares in 8 ways, for example, as 194937444 + 1920104761 = 13962^2 + 43819^2 .

It is not a de Polignac number, because 2115042205 - 2⁵ = 2115042173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625055 + ... + 1626355.

It is an arithmetic number, because the mean of its divisors is an integer number (159308163).

Almost surely, 2^2115042205 is an apocalyptic number.

It is an amenable number.

2115042205 is a deficient number, since it is larger than the sum of its proper divisors (433888403).

2115042205 is a wasteful number, since it uses less digits than its factorization.

2115042205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2115042205 is about 45989.5880064173. The cubic root of 2115042205 is about 1283.6294703486.

Adding to 2115042205 its reverse (5022405112), we get a palindrome (7137447317).

The spelling of 2115042205 in words is "two billion, one hundred fifteen million, forty-two thousand, two hundred five".