50116180109 has 2 divisors, whose sum is σ = 50116180110. Its totient is φ = 50116180108.

The previous prime is 50116180087. The next prime is 50116180139. The reversal of 50116180109 is 90108161105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41258546884 + 8857633225 = 203122^2 + 94115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50116180109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50116180139) 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, 25058090054 + 25058090055.

It is an arithmetic number, because the mean of its divisors is an integer number (25058090055).

Almost surely, 2^50116180109 is an apocalyptic number.

It is an amenable number.

50116180109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50116180109 is an equidigital number, since it uses as much as digits as its factorization.

50116180109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 32.

The spelling of 50116180109 in words is "fifty billion, one hundred sixteen million, one hundred eighty thousand, one hundred nine".