11011000001809 has 2 divisors, whose sum is σ = 11011000001810. Its totient is φ = 11011000001808.

The previous prime is 11011000001797. The next prime is 11011000001821. The reversal of 11011000001809 is 90810000011011.

It is a balanced prime because it is at equal distance from previous prime (11011000001797) and next prime (11011000001821).

It can be written as a sum of positive squares in only one way, i.e., 9368668045584 + 1642331956225 = 3060828^2 + 1281535^2 .

It is an emirp because it is prime and its reverse (90810000011011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011000001809 - 2¹¹ = 11010999999761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11011000001809.

It is not a weakly prime, because it can be changed into another prime (11011000001849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505500000904 + 5505500000905.

It is an arithmetic number, because the mean of its divisors is an integer number (5505500000905).

Almost surely, 2^{11011000001809} is an apocalyptic number.

It is an amenable number.

11011000001809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011000001809 is an equidigital number, since it uses as much as digits as its factorization.

11011000001809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11011000001809 in words is "eleven trillion, eleven billion, one thousand, eight hundred nine".