11105001109 has 2 divisors, whose sum is σ = 11105001110. Its totient is φ = 11105001108.

The previous prime is 11105001101. The next prime is 11105001113. The reversal of 11105001109 is 90110050111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8607200625 + 2497800484 = 92775^2 + 49978^2 .

It is a cyclic number.

It is not a de Polignac number, because 11105001109 - 2³ = 11105001101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11105001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552500554 + 5552500555.

It is an arithmetic number, because the mean of its divisors is an integer number (5552500555).

Almost surely, 2^11105001109 is an apocalyptic number.

It is an amenable number.

11105001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105001109 is an equidigital number, since it uses as much as digits as its factorization.

11105001109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 19.

The spelling of 11105001109 in words is "eleven billion, one hundred five million, one thousand, one hundred nine".