118658846591 has 2 divisors, whose sum is σ = 118658846592. Its totient is φ = 118658846590.

The previous prime is 118658846557. The next prime is 118658846597. The reversal of 118658846591 is 195648856811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118658846591 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118658846597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59329423295 + 59329423296.

It is an arithmetic number, because the mean of its divisors is an integer number (59329423296).

Almost surely, 2^118658846591 is an apocalyptic number.

118658846591 is a deficient number, since it is larger than the sum of its proper divisors (1).

118658846591 is an equidigital number, since it uses as much as digits as its factorization.

118658846591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16588800, while the sum is 62.

The spelling of 118658846591 in words is "one hundred eighteen billion, six hundred fifty-eight million, eight hundred forty-six thousand, five hundred ninety-one".