18585152611799 has 2 divisors, whose sum is σ = 18585152611800. Its totient is φ = 18585152611798.

The previous prime is 18585152611787. The next prime is 18585152611813. The reversal of 18585152611799 is 99711625158581.

It is a weak prime.

It is an emirp because it is prime and its reverse (99711625158581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18585152611799 - 2⁴⁰ = 17485640984023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18585152611769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9292576305899 + 9292576305900.

It is an arithmetic number, because the mean of its divisors is an integer number (9292576305900).

Almost surely, 2^{18585152611799} is an apocalyptic number.

18585152611799 is a deficient number, since it is larger than the sum of its proper divisors (1).

18585152611799 is an equidigital number, since it uses as much as digits as its factorization.

18585152611799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432000, while the sum is 68.

The spelling of 18585152611799 in words is "eighteen trillion, five hundred eighty-five billion, one hundred fifty-two million, six hundred eleven thousand, seven hundred ninety-nine".