50023136121 has 128 divisors (see below), whose sum is σ = 82388275200. Its totient is φ = 26957758464.

The previous prime is 50023136069. The next prime is 50023136183. The reversal of 50023136121 is 12163132005.

It is not a de Polignac number, because 50023136121 - 2¹⁴ = 50023119737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50023136091 and 50023136100.

It is not an unprimeable number, because it can be changed into a prime (50023136621) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 194642425 + ... + 194642681.

It is an arithmetic number, because the mean of its divisors is an integer number (643658400).

Almost surely, 2^50023136121 is an apocalyptic number.

It is an amenable number.

50023136121 is a deficient number, since it is larger than the sum of its proper divisors (32365139079).

50023136121 is a wasteful number, since it uses less digits than its factorization.

50023136121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 50023136121 its reverse (12163132005), we get a palindrome (62186268126).

The spelling of 50023136121 in words is "fifty billion, twenty-three million, one hundred thirty-six thousand, one hundred twenty-one".