6005611111111 has 32 divisors (see below), whose sum is σ = 6468723531776. Its totient is φ = 5565474684000.

The previous prime is 6005611111109. The next prime is 6005611111169. The reversal of 6005611111111 is 1111111165006.

It is a cyclic number.

It is not a de Polignac number, because 6005611111111 - 2¹ = 6005611111109 is a prime.

It is a Duffinian number.

6005611111111 is a modest number, since divided by 1111111 gives 600561 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6005611111711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18685276 + ... + 19003966.

It is an arithmetic number, because the mean of its divisors is an integer number (202147610368).

Almost surely, 2^{6005611111111} is an apocalyptic number.

6005611111111 is a deficient number, since it is larger than the sum of its proper divisors (463112420665).

6005611111111 is a wasteful number, since it uses less digits than its factorization.

6005611111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319043.

The product of its (nonzero) digits is 180, while the sum is 25.

Adding to 6005611111111 its reverse (1111111165006), we get a palindrome (7116722276117).

The spelling of 6005611111111 in words is "six trillion, five billion, six hundred eleven million, one hundred eleven thousand, one hundred eleven".