500005551111 has 32 divisors (see below), whose sum is σ = 734799513600. Its totient is φ = 299903472000.

The previous prime is 500005551061. The next prime is 500005551163. The reversal of 500005551111 is 111155500005.

500005551111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 500005551111 - 2⁶ = 500005551047 is a prime.

It is a super-2 number, since 2×500005551111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500005551511) 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, 7964601 + ... + 8027133.

It is an arithmetic number, because the mean of its divisors is an integer number (22962484800).

Almost surely, 2^500005551111 is an apocalyptic number.

500005551111 is a deficient number, since it is larger than the sum of its proper divisors (234793962489).

500005551111 is a wasteful number, since it uses less digits than its factorization.

500005551111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65047.

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 500005551111 in words is "five hundred billion, five million, five hundred fifty-one thousand, one hundred eleven".