111111000005 has 8 divisors (see below), whose sum is σ = 133347033600. Its totient is φ = 88879577616.

The previous prime is 111110999999. The next prime is 111111000041. The reversal of 111111000005 is 500000111111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111111000005 - 2⁸ = 111110999749 is a prime.

It is a super-2 number, since 2×111111000005² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111111000005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099565 + ... + 1196354.

It is an arithmetic number, because the mean of its divisors is an integer number (16668379200).

Almost surely, 2^111111000005 is an apocalyptic number.

It is an amenable number.

111111000005 is a deficient number, since it is larger than the sum of its proper divisors (22236033595).

111111000005 is an equidigital number, since it uses as much as digits as its factorization.

111111000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305603.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 111111000005 its reverse (500000111111), we get a palindrome (611111111116).

The spelling of 111111000005 in words is "one hundred eleven billion, one hundred eleven million, five", and thus it is an aban number.