118502205709 has 2 divisors, whose sum is σ = 118502205710. Its totient is φ = 118502205708.

The previous prime is 118502205623. The next prime is 118502205763. The reversal of 118502205709 is 907502205811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74182693225 + 44319512484 = 272365^2 + 210522^2 .

It is an emirp because it is prime and its reverse (907502205811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118502205709 - 2⁹ = 118502205197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118502205209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59251102854 + 59251102855.

It is an arithmetic number, because the mean of its divisors is an integer number (59251102855).

Almost surely, 2^118502205709 is an apocalyptic number.

It is an amenable number.

118502205709 is a deficient number, since it is larger than the sum of its proper divisors (1).

118502205709 is an equidigital number, since it uses as much as digits as its factorization.

118502205709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 118502205709 in words is "one hundred eighteen billion, five hundred two million, two hundred five thousand, seven hundred nine".