11011001119609 has 2 divisors, whose sum is σ = 11011001119610. Its totient is φ = 11011001119608.

The previous prime is 11011001119603. The next prime is 11011001119633. The reversal of 11011001119609 is 90691110011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10582028518009 + 428972601600 = 3253003^2 + 654960^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011001119609 - 2³¹ = 11008853635961 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011001119603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505500559804 + 5505500559805.

It is an arithmetic number, because the mean of its divisors is an integer number (5505500559805).

Almost surely, 2^{11011001119609} is an apocalyptic number.

It is an amenable number.

11011001119609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011001119609 is an equidigital number, since it uses as much as digits as its factorization.

11011001119609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 31.

The spelling of 11011001119609 in words is "eleven trillion, eleven billion, one million, one hundred nineteen thousand, six hundred nine".