2685057611 has 2 divisors, whose sum is σ = 2685057612. Its totient is φ = 2685057610.

The previous prime is 2685057607. The next prime is 2685057647. The reversal of 2685057611 is 1167505862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2685057611 - 2² = 2685057607 is a prime.

It is not a weakly prime, because it can be changed into another prime (2685057811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342528805 + 1342528806.

It is an arithmetic number, because the mean of its divisors is an integer number (1342528806).

Almost surely, 2^2685057611 is an apocalyptic number.

2685057611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685057611 is an equidigital number, since it uses as much as digits as its factorization.

2685057611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 2685057611 is about 51817.5415375913. The cubic root of 2685057611 is about 1389.9031402582.

The spelling of 2685057611 in words is "two billion, six hundred eighty-five million, fifty-seven thousand, six hundred eleven".