500010111 has 16 divisors (see below), whose sum is σ = 756518400. Its totient is φ = 326246904.

The previous prime is 500010089. The next prime is 500010131. The reversal of 500010111 is 111010005.

It is not a de Polignac number, because 500010111 - 2⁹ = 500009599 is a prime.

It is a super-2 number, since 2×500010111² = 500020222204464642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 500010093 and 500010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500010131) 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 15 ways as a sum of consecutive naturals, for example, 195741 + ... + 198278.

It is an arithmetic number, because the mean of its divisors is an integer number (47282400).

Almost surely, 2^500010111 is an apocalyptic number.

500010111 is a deficient number, since it is larger than the sum of its proper divisors (256508289).

500010111 is a wasteful number, since it uses less digits than its factorization.

500010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394075 (or 394069 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 500010111 is about 22360.9058626881. The cubic root of 500010111 is about 793.7058760187.

Adding to 500010111 its reverse (111010005), we get a palindrome (611020116).

The spelling of 500010111 in words is "five hundred million, ten thousand, one hundred eleven".