50199805359191 has 2 divisors, whose sum is σ = 50199805359192. Its totient is φ = 50199805359190.

The previous prime is 50199805359167. The next prime is 50199805359251. The reversal of 50199805359191 is 19195350899105.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50199805359191 is a prime.

It is a super-2 number, since 2×50199805359191² (a number of 28 digits) contains 22 as substring.

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 (50199802359191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25099902679595 + 25099902679596.

It is an arithmetic number, because the mean of its divisors is an integer number (25099902679596).

Almost surely, 2^{50199805359191} is an apocalyptic number.

50199805359191 is a deficient number, since it is larger than the sum of its proper divisors (1).

50199805359191 is an equidigital number, since it uses as much as digits as its factorization.

50199805359191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683000, while the sum is 65.

The spelling of 50199805359191 in words is "fifty trillion, one hundred ninety-nine billion, eight hundred five million, three hundred fifty-nine thousand, one hundred ninety-one".