6611151111689 has 2 divisors, whose sum is σ = 6611151111690. Its totient is φ = 6611151111688.

The previous prime is 6611151111683. The next prime is 6611151111727. The reversal of 6611151111689 is 9861111511166.

6611151111689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6167772250000 + 443378861689 = 2483500^2 + 665867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6611151111689 is a prime.

It is not a weakly prime, because it can be changed into another prime (6611151111683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305575555844 + 3305575555845.

It is an arithmetic number, because the mean of its divisors is an integer number (3305575555845).

Almost surely, 2^{6611151111689} is an apocalyptic number.

It is an amenable number.

6611151111689 is a deficient number, since it is larger than the sum of its proper divisors (1).

6611151111689 is an equidigital number, since it uses as much as digits as its factorization.

6611151111689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 47.

The spelling of 6611151111689 in words is "six trillion, six hundred eleven billion, one hundred fifty-one million, one hundred eleven thousand, six hundred eighty-nine".