108517666811 has 2 divisors, whose sum is σ = 108517666812. Its totient is φ = 108517666810.

The previous prime is 108517666783. The next prime is 108517666841. The reversal of 108517666811 is 118666715801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108517666811 - 2¹⁰ = 108517665787 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108517666811.

It is not a weakly prime, because it can be changed into another prime (108517666841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54258833405 + 54258833406.

It is an arithmetic number, because the mean of its divisors is an integer number (54258833406).

Almost surely, 2^108517666811 is an apocalyptic number.

108517666811 is a deficient number, since it is larger than the sum of its proper divisors (1).

108517666811 is an equidigital number, since it uses as much as digits as its factorization.

108517666811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 108517666811 in words is "one hundred eight billion, five hundred seventeen million, six hundred sixty-six thousand, eight hundred eleven".