50049609911 has 4 divisors (see below), whose sum is σ = 57199554192. Its totient is φ = 42899665632.

The previous prime is 50049609851. The next prime is 50049609947. The reversal of 50049609911 is 11990694005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11990694005 = 5 ⋅2398138801.

It is a cyclic number.

It is not a de Polignac number, because 50049609911 - 2¹⁸ = 50049347767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50049639911) 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 in 3 ways as a sum of consecutive naturals, for example, 3574972130 + ... + 3574972143.

It is an arithmetic number, because the mean of its divisors is an integer number (14299888548).

Almost surely, 2^50049609911 is an apocalyptic number.

50049609911 is a deficient number, since it is larger than the sum of its proper divisors (7149944281).

50049609911 is an equidigital number, since it uses as much as digits as its factorization.

50049609911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149944280.

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 50049609911 in words is "fifty billion, forty-nine million, six hundred nine thousand, nine hundred eleven".