50605782811 has 4 divisors (see below), whose sum is σ = 50606293192. Its totient is φ = 50605272432.

The previous prime is 50605782809. The next prime is 50605782859. The reversal of 50605782811 is 11828750605.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50605782811 - 2¹ = 50605782809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50605782911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53130 + ... + 322543.

It is an arithmetic number, because the mean of its divisors is an integer number (12651573298).

Almost surely, 2^50605782811 is an apocalyptic number.

50605782811 is a deficient number, since it is larger than the sum of its proper divisors (510381).

50605782811 is a wasteful number, since it uses less digits than its factorization.

50605782811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510380.

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 50605782811 in words is "fifty billion, six hundred five million, seven hundred eighty-two thousand, eight hundred eleven".