6011111 has 2 divisors, whose sum is σ = 6011112. Its totient is φ = 6011110.

The previous prime is 6011077. The next prime is 6011113. The reversal of 6011111 is 1111106.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6011111 - 2¹⁰ = 6010087 is a prime.

It is a super-2 number, since 2×6011111² = 72266910908642, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 6011113, it forms a pair of twin primes.

It is a Chen prime.

6011111 is a modest number, since divided by 1111 gives 601 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 6011092 and 6011101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6011113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005555 + 3005556.

It is an arithmetic number, because the mean of its divisors is an integer number (3005556).

Almost surely, 2^6011111 is an apocalyptic number.

6011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

6011111 is an equidigital number, since it uses as much as digits as its factorization.

6011111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 6011111 is about 2451.7567171316. The cubic root of 6011111 is about 181.8241569324.

Adding to 6011111 its reverse (1111106), we get a palindrome (7122217).

The spelling of 6011111 in words is "six million, eleven thousand, one hundred eleven".