18027112212601 has 2 divisors, whose sum is σ = 18027112212602. Its totient is φ = 18027112212600.

The previous prime is 18027112212589. The next prime is 18027112212611. The reversal of 18027112212601 is 10621221172081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18025756205625 + 1356006976 = 4245675^2 + 36824^2 .

It is a cyclic number.

It is not a de Polignac number, because 18027112212601 - 2²¹ = 18027110115449 is a prime.

It is a super-4 number, since 4×18027112212601⁴ (a number of 54 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (18027112212611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013556106300 + 9013556106301.

It is an arithmetic number, because the mean of its divisors is an integer number (9013556106301).

Almost surely, 2^{18027112212601} is an apocalyptic number.

It is an amenable number.

18027112212601 is a deficient number, since it is larger than the sum of its proper divisors (1).

18027112212601 is an equidigital number, since it uses as much as digits as its factorization.

18027112212601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 34.

Adding to 18027112212601 its reverse (10621221172081), we get a palindrome (28648333384682).

The spelling of 18027112212601 in words is "eighteen trillion, twenty-seven billion, one hundred twelve million, two hundred twelve thousand, six hundred one".