18027112212673 has 2 divisors, whose sum is σ = 18027112212674. Its totient is φ = 18027112212672.

The previous prime is 18027112212611. The next prime is 18027112212719. The reversal of 18027112212673 is 37621221172081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10013977973169 + 8013134239504 = 3164487^2 + 2830748^2 .

It is a cyclic number.

It is not a de Polignac number, because 18027112212673 - 2³⁷ = 17889673259201 is a prime.

It is not a weakly prime, because it can be changed into another prime (18027112312673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013556106336 + 9013556106337.

It is an arithmetic number, because the mean of its divisors is an integer number (9013556106337).

Almost surely, 2^{18027112212673} is an apocalyptic number.

It is an amenable number.

18027112212673 is a deficient number, since it is larger than the sum of its proper divisors (1).

18027112212673 is an equidigital number, since it uses as much as digits as its factorization.

18027112212673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 18027112212673 in words is "eighteen trillion, twenty-seven billion, one hundred twelve million, two hundred twelve thousand, six hundred seventy-three".