5511666661159 has 2 divisors, whose sum is σ = 5511666661160. Its totient is φ = 5511666661158.

The previous prime is 5511666661139. The next prime is 5511666661169. The reversal of 5511666661159 is 9511666661155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5511666661159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5511666661139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755833330579 + 2755833330580.

It is an arithmetic number, because the mean of its divisors is an integer number (2755833330580).

Almost surely, 2^{5511666661159} is an apocalyptic number.

5511666661159 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511666661159 is an equidigital number, since it uses as much as digits as its factorization.

5511666661159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748000, while the sum is 58.

The spelling of 5511666661159 in words is "five trillion, five hundred eleven billion, six hundred sixty-six million, six hundred sixty-one thousand, one hundred fifty-nine".