50250775117 has 2 divisors, whose sum is σ = 50250775118. Its totient is φ = 50250775116.

The previous prime is 50250775087. The next prime is 50250775129. The reversal of 50250775117 is 71157705205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40796324361 + 9454450756 = 201981^2 + 97234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50250775117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50250775117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50250775147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125387558 + 25125387559.

It is an arithmetic number, because the mean of its divisors is an integer number (25125387559).

Almost surely, 2^50250775117 is an apocalyptic number.

It is an amenable number.

50250775117 is a deficient number, since it is larger than the sum of its proper divisors (1).

50250775117 is an equidigital number, since it uses as much as digits as its factorization.

50250775117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85750, while the sum is 40.

The spelling of 50250775117 in words is "fifty billion, two hundred fifty million, seven hundred seventy-five thousand, one hundred seventeen".