18546241141 has 2 divisors, whose sum is σ = 18546241142. Its totient is φ = 18546241140.

The previous prime is 18546241121. The next prime is 18546241159. The reversal of 18546241141 is 14114264581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18428062500 + 118178641 = 135750^2 + 10871^2 .

It is an emirp because it is prime and its reverse (14114264581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18546241141 - 2⁷ = 18546241013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18546241141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18546241121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9273120570 + 9273120571.

It is an arithmetic number, because the mean of its divisors is an integer number (9273120571).

Almost surely, 2^18546241141 is an apocalyptic number.

It is an amenable number.

18546241141 is a deficient number, since it is larger than the sum of its proper divisors (1).

18546241141 is an equidigital number, since it uses as much as digits as its factorization.

18546241141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The spelling of 18546241141 in words is "eighteen billion, five hundred forty-six million, two hundred forty-one thousand, one hundred forty-one".