2605612011 has 16 divisors (see below), whose sum is σ = 3533003040. Its totient is φ = 1707678720.

The previous prime is 2605611937. The next prime is 2605612043. The reversal of 2605612011 is 1102165062.

It is not a de Polignac number, because 2605612011 - 2⁹ = 2605611499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2605612081) 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, 577681 + ... + 582173.

It is an arithmetic number, because the mean of its divisors is an integer number (220812690).

Almost surely, 2^2605612011 is an apocalyptic number.

2605612011 is a deficient number, since it is larger than the sum of its proper divisors (927391029).

2605612011 is a wasteful number, since it uses less digits than its factorization.

2605612011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2605612011 is about 51045.1957680642. The cubic root of 2605612011 is about 1376.0575024631.

Adding to 2605612011 its reverse (1102165062), we get a palindrome (3707777073).

The spelling of 2605612011 in words is "two billion, six hundred five million, six hundred twelve thousand, eleven".