50514205121 has 4 divisors (see below), whose sum is σ = 50514796500. Its totient is φ = 50513613744.

The previous prime is 50514205111. The next prime is 50514205153. The reversal of 50514205121 is 12150241505.

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 can be written as a sum of positive squares in 2 ways, for example, as 37233947521 + 13280257600 = 192961^2 + 115240^2 .

It is a cyclic number.

It is not a de Polignac number, because 50514205121 - 2⁶ = 50514205057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50514205111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140366 + ... + 347463.

It is an arithmetic number, because the mean of its divisors is an integer number (12628699125).

Almost surely, 2^50514205121 is an apocalyptic number.

It is an amenable number.

50514205121 is a deficient number, since it is larger than the sum of its proper divisors (591379).

50514205121 is a wasteful number, since it uses less digits than its factorization.

50514205121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591378.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 50514205121 its reverse (12150241505), we get a palindrome (62664446626).

The spelling of 50514205121 in words is "fifty billion, five hundred fourteen million, two hundred five thousand, one hundred twenty-one".