118281806717 has 2 divisors, whose sum is σ = 118281806718. Its totient is φ = 118281806716.

The previous prime is 118281806663. The next prime is 118281806749. The reversal of 118281806717 is 717608182811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114344746201 + 3937060516 = 338149^2 + 62746^2 .

It is a cyclic number.

It is not a de Polignac number, because 118281806717 - 2²⁴ = 118265029501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118281206717) 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, 59140903358 + 59140903359.

It is an arithmetic number, because the mean of its divisors is an integer number (59140903359).

Almost surely, 2^118281806717 is an apocalyptic number.

It is an amenable number.

118281806717 is a deficient number, since it is larger than the sum of its proper divisors (1).

118281806717 is an equidigital number, since it uses as much as digits as its factorization.

118281806717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 50.

The spelling of 118281806717 in words is "one hundred eighteen billion, two hundred eighty-one million, eight hundred six thousand, seven hundred seventeen".