118668564071 has 2 divisors, whose sum is σ = 118668564072. Its totient is φ = 118668564070.

The previous prime is 118668564013. The next prime is 118668564187. The reversal of 118668564071 is 170465866811.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (170465866811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118668564071 - 2²² = 118664369767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118668564011) 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, 59334282035 + 59334282036.

It is an arithmetic number, because the mean of its divisors is an integer number (59334282036).

Almost surely, 2^118668564071 is an apocalyptic number.

118668564071 is a deficient number, since it is larger than the sum of its proper divisors (1).

118668564071 is an equidigital number, since it uses as much as digits as its factorization.

118668564071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 118668564071 in words is "one hundred eighteen billion, six hundred sixty-eight million, five hundred sixty-four thousand, seventy-one".