6611206559 has 2 divisors, whose sum is σ = 6611206560. Its totient is φ = 6611206558.

The previous prime is 6611206507. The next prime is 6611206607. The reversal of 6611206559 is 9556021166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6611206559 - 2¹² = 6611202463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6611206859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305603279 + 3305603280.

It is an arithmetic number, because the mean of its divisors is an integer number (3305603280).

Almost surely, 2^6611206559 is an apocalyptic number.

6611206559 is a deficient number, since it is larger than the sum of its proper divisors (1).

6611206559 is an equidigital number, since it uses as much as digits as its factorization.

6611206559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 6611206559 is about 81309.3263961767. The cubic root of 6611206559 is about 1876.8385222507.

The spelling of 6611206559 in words is "six billion, six hundred eleven million, two hundred six thousand, five hundred fifty-nine".