6808568512261 has 32 divisors (see below), whose sum is σ = 7512640192512. Its totient is φ = 6142194727680.

The previous prime is 6808568512253. The next prime is 6808568512297. The reversal of 6808568512261 is 1622158658086.

It is a cyclic number.

It is not a de Polignac number, because 6808568512261 - 2³ = 6808568512253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6808568512196 and 6808568512205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808568512201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422176380 + ... + 422192506.

It is an arithmetic number, because the mean of its divisors is an integer number (234770006016).

Almost surely, 2^{6808568512261} is an apocalyptic number.

It is an amenable number.

6808568512261 is a deficient number, since it is larger than the sum of its proper divisors (704071680251).

6808568512261 is a wasteful number, since it uses less digits than its factorization.

6808568512261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23769.

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 6808568512261 in words is "six trillion, eight hundred eight billion, five hundred sixty-eight million, five hundred twelve thousand, two hundred sixty-one".