27610561361659 has 2 divisors, whose sum is σ = 27610561361660. Its totient is φ = 27610561361658.

The previous prime is 27610561361561. The next prime is 27610561361671. The reversal of 27610561361659 is 95616316501672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27610561361659 - 2⁹ = 27610561361147 is a prime.

It is not a weakly prime, because it can be changed into another prime (27610561361059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13805280680829 + 13805280680830.

It is an arithmetic number, because the mean of its divisors is an integer number (13805280680830).

Almost surely, 2^{27610561361659} is an apocalyptic number.

27610561361659 is a deficient number, since it is larger than the sum of its proper divisors (1).

27610561361659 is an equidigital number, since it uses as much as digits as its factorization.

27610561361659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 27610561361659 in words is "twenty-seven trillion, six hundred ten billion, five hundred sixty-one million, three hundred sixty-one thousand, six hundred fifty-nine".