118940285791 has 2 divisors, whose sum is σ = 118940285792. Its totient is φ = 118940285790.

The previous prime is 118940285707. The next prime is 118940285797. The reversal of 118940285791 is 197582049811.

It is a strong prime.

It is an emirp because it is prime and its reverse (197582049811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118940285791 - 2⁷ = 118940285663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118940285797) 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, 59470142895 + 59470142896.

It is an arithmetic number, because the mean of its divisors is an integer number (59470142896).

Almost surely, 2^118940285791 is an apocalyptic number.

118940285791 is a deficient number, since it is larger than the sum of its proper divisors (1).

118940285791 is an equidigital number, since it uses as much as digits as its factorization.

118940285791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The spelling of 118940285791 in words is "one hundred eighteen billion, nine hundred forty million, two hundred eighty-five thousand, seven hundred ninety-one".