11011010001109 has 2 divisors, whose sum is σ = 11011010001110. Its totient is φ = 11011010001108.

The previous prime is 11011010001071. The next prime is 11011010001133. The reversal of 11011010001109 is 90110001011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6920819255025 + 4090190746084 = 2630745^2 + 2022422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011010001109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011010001092 and 11011010001101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011017001109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505000554 + 5505505000555.

It is an arithmetic number, because the mean of its divisors is an integer number (5505505000555).

Almost surely, 2^{11011010001109} is an apocalyptic number.

It is an amenable number.

11011010001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011010001109 is an equidigital number, since it uses as much as digits as its factorization.

11011010001109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 11011010001109 in words is "eleven trillion, eleven billion, ten million, one thousand, one hundred nine".