18425327631311 has 2 divisors, whose sum is σ = 18425327631312. Its totient is φ = 18425327631310.

The previous prime is 18425327631259. The next prime is 18425327631317. The reversal of 18425327631311 is 11313672352481.

It is a strong prime.

It is an emirp because it is prime and its reverse (11313672352481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18425327631311 - 2¹⁰ = 18425327630287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18425327631317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9212663815655 + 9212663815656.

It is an arithmetic number, because the mean of its divisors is an integer number (9212663815656).

Almost surely, 2^{18425327631311} is an apocalyptic number.

18425327631311 is a deficient number, since it is larger than the sum of its proper divisors (1).

18425327631311 is an equidigital number, since it uses as much as digits as its factorization.

18425327631311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

Adding to 18425327631311 its reverse (11313672352481), we get a palindrome (29738999983792).

The spelling of 18425327631311 in words is "eighteen trillion, four hundred twenty-five billion, three hundred twenty-seven million, six hundred thirty-one thousand, three hundred eleven".