118298850917 has 8 divisors (see below), whose sum is σ = 130841972856. Its totient is φ = 106247616192.

The previous prime is 118298850893. The next prime is 118298850919. The reversal of 118298850917 is 719058892811.

It is a Cunningham number, because it is equal to 343946²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 491331556 + 117807519361 = 22166^2 + 343231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118298850917 - 2¹² = 118298846821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118298850919) 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 in 7 ways as a sum of consecutive naturals, for example, 122971298 + ... + 122972259.

It is an arithmetic number, because the mean of its divisors is an integer number (16355246607).

Almost surely, 2^118298850917 is an apocalyptic number.

It is an amenable number.

118298850917 is a deficient number, since it is larger than the sum of its proper divisors (12543121939).

118298850917 is a wasteful number, since it uses less digits than its factorization.

118298850917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245943607.

The product of its (nonzero) digits is 2903040, while the sum is 59.

The spelling of 118298850917 in words is "one hundred eighteen billion, two hundred ninety-eight million, eight hundred fifty thousand, nine hundred seventeen".