50812996811 has 2 divisors, whose sum is σ = 50812996812. Its totient is φ = 50812996810.

The previous prime is 50812996771. The next prime is 50812996877. The reversal of 50812996811 is 11869921805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50812996811 - 2²² = 50808802507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50812996811.

It is not a weakly prime, because it can be changed into another prime (50812996891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25406498405 + 25406498406.

It is an arithmetic number, because the mean of its divisors is an integer number (25406498406).

Almost surely, 2^50812996811 is an apocalyptic number.

50812996811 is a deficient number, since it is larger than the sum of its proper divisors (1).

50812996811 is an equidigital number, since it uses as much as digits as its factorization.

50812996811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 50.

The spelling of 50812996811 in words is "fifty billion, eight hundred twelve million, nine hundred ninety-six thousand, eight hundred eleven".