50411356165 has 4 divisors (see below), whose sum is σ = 60493627404. Its totient is φ = 40329084928.

The previous prime is 50411356157. The next prime is 50411356213. The reversal of 50411356165 is 56165311405.

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 29928308004 + 20483048161 = 172998^2 + 143119^2 .

It is a cyclic number.

It is not a de Polignac number, because 50411356165 - 2³ = 50411356157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5041135612 + ... + 5041135621.

It is an arithmetic number, because the mean of its divisors is an integer number (15123406851).

Almost surely, 2^50411356165 is an apocalyptic number.

It is an amenable number.

50411356165 is a deficient number, since it is larger than the sum of its proper divisors (10082271239).

50411356165 is a wasteful number, since it uses less digits than its factorization.

50411356165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10082271238.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 50411356165 in words is "fifty billion, four hundred eleven million, three hundred fifty-six thousand, one hundred sixty-five".