50661011120 has 20 divisors (see below), whose sum is σ = 117786851040. Its totient is φ = 20264404416.

The previous prime is 50661011113. The next prime is 50661011153. The reversal of 50661011120 is 2111016605.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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, 316631240 + ... + 316631399.

It is an arithmetic number, because the mean of its divisors is an integer number (5889342552).

Almost surely, 2^50661011120 is an apocalyptic number.

It is an amenable number.

50661011120 is an abundant number, since it is smaller than the sum of its proper divisors (67125839920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50661011120 is a wasteful number, since it uses less digits than its factorization.

50661011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633262652 (or 633262646 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 50661011120 its reverse (2111016605), we get a palindrome (52772027725).

The spelling of 50661011120 in words is "fifty billion, six hundred sixty-one million, eleven thousand, one hundred twenty".