50791578611 has 2 divisors, whose sum is σ = 50791578612. Its totient is φ = 50791578610.

The previous prime is 50791578571. The next prime is 50791578641. The reversal of 50791578611 is 11687519705.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50791578611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50791578611.

It is not a weakly prime, because it can be changed into another prime (50791578641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25395789305 + 25395789306.

It is an arithmetic number, because the mean of its divisors is an integer number (25395789306).

Almost surely, 2^50791578611 is an apocalyptic number.

50791578611 is a deficient number, since it is larger than the sum of its proper divisors (1).

50791578611 is an equidigital number, since it uses as much as digits as its factorization.

50791578611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 50.

The spelling of 50791578611 in words is "fifty billion, seven hundred ninety-one million, five hundred seventy-eight thousand, six hundred eleven".