110568666809 has 2 divisors, whose sum is σ = 110568666810. Its totient is φ = 110568666808.

The previous prime is 110568666787. The next prime is 110568666829. The reversal of 110568666809 is 908666865011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105087485584 + 5481181225 = 324172^2 + 74035^2 .

It is an emirp because it is prime and its reverse (908666865011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110568666809 - 2²⁰ = 110567618233 is a prime.

It is not a weakly prime, because it can be changed into another prime (110568666829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55284333404 + 55284333405.

It is an arithmetic number, because the mean of its divisors is an integer number (55284333405).

Almost surely, 2^110568666809 is an apocalyptic number.

It is an amenable number.

110568666809 is a deficient number, since it is larger than the sum of its proper divisors (1).

110568666809 is an equidigital number, since it uses as much as digits as its factorization.

110568666809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 110568666809 in words is "one hundred ten billion, five hundred sixty-eight million, six hundred sixty-six thousand, eight hundred nine".