50661011121 has 32 divisors (see below), whose sum is σ = 77690638080. Its totient is φ = 28764696576.

The previous prime is 50661011113. The next prime is 50661011153. The reversal of 50661011121 is 12111016605.

It is not a de Polignac number, because 50661011121 - 2³ = 50661011113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50661011091 and 50661011100.

It is not an unprimeable number, because it can be changed into a prime (50661011101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3339265 + ... + 3354401.

It is an arithmetic number, because the mean of its divisors is an integer number (2427832440).

Almost surely, 2^50661011121 is an apocalyptic number.

It is an amenable number.

50661011121 is a deficient number, since it is larger than the sum of its proper divisors (27029626959).

50661011121 is a wasteful number, since it uses less digits than its factorization.

50661011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153.

The product of its (nonzero) digits is 360, while the sum is 24.

Adding to 50661011121 its reverse (12111016605), we get a palindrome (62772027726).

The spelling of 50661011121 in words is "fifty billion, six hundred sixty-one million, eleven thousand, one hundred twenty-one".