11011000001009 has 2 divisors, whose sum is σ = 11011000001010. Its totient is φ = 11011000001008.

The previous prime is 11011000000967. The next prime is 11011000001077. The reversal of 11011000001009 is 90010000011011.

It is a happy number.

11011000001009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7784406903025 + 3226593097984 = 2790055^2 + 1796272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011000001009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011000000984 and 11011000001002.

It is not a weakly prime, because it can be changed into another prime (11011000001809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505500000504 + 5505500000505.

It is an arithmetic number, because the mean of its divisors is an integer number (5505500000505).

Almost surely, 2^{11011000001009} is an apocalyptic number.

It is an amenable number.

11011000001009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011000001009 is an equidigital number, since it uses as much as digits as its factorization.

11011000001009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 11011000001009 in words is "eleven trillion, eleven billion, one thousand, nine".