15560666608607 has 2 divisors, whose sum is σ = 15560666608608. Its totient is φ = 15560666608606.

The previous prime is 15560666608523. The next prime is 15560666608631. The reversal of 15560666608607 is 70680666606551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15560666608607 - 2²⁰ = 15560665560031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15560666608607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15560666608637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7780333304303 + 7780333304304.

It is an arithmetic number, because the mean of its divisors is an integer number (7780333304304).

Almost surely, 2^{15560666608607} is an apocalyptic number.

15560666608607 is a deficient number, since it is larger than the sum of its proper divisors (1).

15560666608607 is an equidigital number, since it uses as much as digits as its factorization.

15560666608607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 15560666608607 in words is "fifteen trillion, five hundred sixty billion, six hundred sixty-six million, six hundred eight thousand, six hundred seven".