11000001109 has 2 divisors, whose sum is σ = 11000001110. Its totient is φ = 11000001108.

The previous prime is 11000001071. The next prime is 11000001121. The reversal of 11000001109 is 90110000011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10771326225 + 228674884 = 103785^2 + 15122^2 .

It is an emirp because it is prime and its reverse (90110000011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11000001109 - 2¹⁵ = 10999968341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000001169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500000554 + 5500000555.

It is an arithmetic number, because the mean of its divisors is an integer number (5500000555).

Almost surely, 2^11000001109 is an apocalyptic number.

It is an amenable number.

11000001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000001109 is an equidigital number, since it uses as much as digits as its factorization.

11000001109 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 13.

The spelling of 11000001109 in words is "eleven billion, one thousand, one hundred nine".