50865047113 has 4 divisors (see below), whose sum is σ = 51389429140. Its totient is φ = 50340665088.

The previous prime is 50865047083. The next prime is 50865047141. The reversal of 50865047113 is 31174056805.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12595123984 + 38269923129 = 112228^2 + 195627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50865047113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50865047143) 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, 262190868 + ... + 262191061.

It is an arithmetic number, because the mean of its divisors is an integer number (12847357285).

Almost surely, 2^50865047113 is an apocalyptic number.

It is an amenable number.

50865047113 is a deficient number, since it is larger than the sum of its proper divisors (524382027).

50865047113 is an equidigital number, since it uses as much as digits as its factorization.

50865047113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524382026.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 50865047113 in words is "fifty billion, eight hundred sixty-five million, forty-seven thousand, one hundred thirteen".