6011111111 has 24 divisors (see below), whose sum is σ = 6654713520. Its totient is φ = 5414086656.

The previous prime is 6011111069. The next prime is 6011111173. The reversal of 6011111111 is 1111111106.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6011111111 is a prime.

It is a super-2 number, since 2×6011111111² = 72266913577575308642, which contains 22 as substring.

6011111111 is a modest number, since divided by 111111 gives 6011 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6011111191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1737095 + ... + 1740551.

It is an arithmetic number, because the mean of its divisors is an integer number (277279730).

Almost surely, 2^6011111111 is an apocalyptic number.

6011111111 is a deficient number, since it is larger than the sum of its proper divisors (643602409).

6011111111 is a wasteful number, since it uses less digits than its factorization.

6011111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 14.

The square root of 6011111111 is about 77531.3556633702. The cubic root of 6011111111 is about 1818.2415805160.

Adding to 6011111111 its reverse (1111111106), we get a palindrome (7122222217).

The spelling of 6011111111 in words is "six billion, eleven million, one hundred eleven thousand, one hundred eleven".