6111009 has 12 divisors (see below), whose sum is σ = 9042852. Its totient is φ = 3974400.

The previous prime is 6110983. The next prime is 6111011. The reversal of 6111009 is 9001116.

It can be written as a sum of positive squares in 2 ways, for example, as 278784 + 5832225 = 528^2 + 2415^2 .

It is not a de Polignac number, because 6111009 - 2⁵ = 6110977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6110982 and 6111000.

It is not an unprimeable number, because it can be changed into a prime (6111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7912 + ... + 8649.

It is an arithmetic number, because the mean of its divisors is an integer number (753571).

Almost surely, 2^6111009 is an apocalyptic number.

It is an amenable number.

6111009 is a deficient number, since it is larger than the sum of its proper divisors (2931843).

6111009 is a wasteful number, since it uses less digits than its factorization.

6111009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16608 (or 16605 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 6111009 is about 2472.0455092898. The cubic root of 6111009 is about 182.8258667851.

The spelling of 6111009 in words is "six million, one hundred eleven thousand, nine".