118495594817 has 2 divisors, whose sum is σ = 118495594818. Its totient is φ = 118495594816.

The previous prime is 118495594781. The next prime is 118495594829. The reversal of 118495594817 is 718495594811.

Together with previous prime (118495594781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70777813681 + 47717781136 = 266041^2 + 218444^2 .

It is a cyclic number.

It is not a de Polignac number, because 118495594817 - 2³⁰ = 117421852993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118495594817.

It is not a weakly prime, because it can be changed into another prime (118495594837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59247797408 + 59247797409.

It is an arithmetic number, because the mean of its divisors is an integer number (59247797409).

Almost surely, 2^118495594817 is an apocalyptic number.

It is an amenable number.

118495594817 is a deficient number, since it is larger than the sum of its proper divisors (1).

118495594817 is an equidigital number, since it uses as much as digits as its factorization.

118495594817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 62.

The spelling of 118495594817 in words is "one hundred eighteen billion, four hundred ninety-five million, five hundred ninety-four thousand, eight hundred seventeen".