6005111111 has 8 divisors (see below), whose sum is σ = 6025998240. Its totient is φ = 5984247808.

The previous prime is 6005111071. The next prime is 6005111117. The reversal of 6005111111 is 1111115006.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6005111111 is a prime.

It is a super-2 number, since 2×6005111111² = 72122718910911308642, which contains 22 as substring.

It is a Duffinian number.

6005111111 is a modest number, since divided by 111111 gives 6005 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 6005111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6005111117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604295 + ... + 614151.

It is an arithmetic number, because the mean of its divisors is an integer number (753249780).

Almost surely, 2^6005111111 is an apocalyptic number.

6005111111 is a deficient number, since it is larger than the sum of its proper divisors (20887129).

6005111111 is a wasteful number, since it uses less digits than its factorization.

6005111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11913.

The product of its (nonzero) digits is 30, while the sum is 17.

The square root of 6005111111 is about 77492.6519806878. The cubic root of 6005111111 is about 1817.6364188935.

Adding to 6005111111 its reverse (1111115006), we get a palindrome (7116226117).

The spelling of 6005111111 in words is "six billion, five million, one hundred eleven thousand, one hundred eleven".