118281206717 has 2 divisors, whose sum is σ = 118281206718. Its totient is φ = 118281206716.

The previous prime is 118281206713. The next prime is 118281206737. The reversal of 118281206717 is 717602182811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118273400281 + 7806436 = 343909^2 + 2794^2 .

It is an emirp because it is prime and its reverse (717602182811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118281206717 - 2² = 118281206713 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118281206713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59140603358 + 59140603359.

It is an arithmetic number, because the mean of its divisors is an integer number (59140603359).

Almost surely, 2^118281206717 is an apocalyptic number.

It is an amenable number.

118281206717 is a deficient number, since it is larger than the sum of its proper divisors (1).

118281206717 is an equidigital number, since it uses as much as digits as its factorization.

118281206717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 44.

The spelling of 118281206717 in words is "one hundred eighteen billion, two hundred eighty-one million, two hundred six thousand, seven hundred seventeen".