18054811 has 2 divisors, whose sum is σ = 18054812. Its totient is φ = 18054810.

The previous prime is 18054787. The next prime is 18054851. The reversal of 18054811 is 11845081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18054811 - 2¹⁹ = 17530523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18054811.

It is not a weakly prime, because it can be changed into another prime (18054851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9027405 + 9027406.

It is an arithmetic number, because the mean of its divisors is an integer number (9027406).

Almost surely, 2^18054811 is an apocalyptic number.

18054811 is a deficient number, since it is larger than the sum of its proper divisors (1).

18054811 is an equidigital number, since it uses as much as digits as its factorization.

18054811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 18054811 is about 4249.0953154760. The cubic root of 18054811 is about 262.3398799763.

Adding to 18054811 its reverse (11845081), we get a palindrome (29899892).

The spelling of 18054811 in words is "eighteen million, fifty-four thousand, eight hundred eleven".