2005604115 has 16 divisors (see below), whose sum is σ = 3247630848. Its totient is φ = 1056767456.

The previous prime is 2005604113. The next prime is 2005604123. The reversal of 2005604115 is 5114065002.

It is a cyclic number.

It is not a de Polignac number, because 2005604115 - 2¹ = 2005604113 is a prime.

It is a super-2 number, since 2×2005604115² = 8044895732209866450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2005604113) 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 15 ways as a sum of consecutive naturals, for example, 804219 + ... + 806708.

It is an arithmetic number, because the mean of its divisors is an integer number (202976928).

Almost surely, 2^2005604115 is an apocalyptic number.

2005604115 is a deficient number, since it is larger than the sum of its proper divisors (1242026733).

2005604115 is a wasteful number, since it uses less digits than its factorization.

2005604115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611018.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2005604115 is about 44783.9716304840. The cubic root of 2005604115 is about 1261.0967428670.

Adding to 2005604115 its reverse (5114065002), we get a palindrome (7119669117).

The spelling of 2005604115 in words is "two billion, five million, six hundred four thousand, one hundred fifteen".