500111112321 has 6 divisors (see below), whose sum is σ = 722382717810. Its totient is φ = 333407408208.

The previous prime is 500111112307. The next prime is 500111112331. The reversal of 500111112321 is 123211111005.

500111112321 is a `hidden beast` number, since 500 + 11 + 11 + 123 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 339982286400 + 160128825921 = 583080^2 + 400161^2 .

It is not a de Polignac number, because 500111112321 - 2¹¹ = 500111110273 is a prime.

It is a super-2 number, since 2×500111112321² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500111112294 and 500111112303.

It is not an unprimeable number, because it can be changed into a prime (500111112331) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 27783950676 + ... + 27783950693.

It is an arithmetic number, because the mean of its divisors is an integer number (120397119635).

Almost surely, 2^500111112321 is an apocalyptic number.

It is an amenable number.

500111112321 is a deficient number, since it is larger than the sum of its proper divisors (222271605489).

500111112321 is a wasteful number, since it uses less digits than its factorization.

500111112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55567901375 (or 55567901372 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 500111112321 its reverse (123211111005), we get a palindrome (623322223326).

The spelling of 500111112321 in words is "five hundred billion, one hundred eleven million, one hundred twelve thousand, three hundred twenty-one".