11109097 has 2 divisors, whose sum is σ = 11109098. Its totient is φ = 11109096.

The previous prime is 11109083. The next prime is 11109107. The reversal of 11109097 is 79090111.

11109097 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 1022121 = 3176^2 + 1011^2 .

It is an emirp because it is prime and its reverse (79090111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11109097 - 2¹⁹ = 10584809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11109017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554548 + 5554549.

It is an arithmetic number, because the mean of its divisors is an integer number (5554549).

Almost surely, 2^11109097 is an apocalyptic number.

It is an amenable number.

11109097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109097 is an equidigital number, since it uses as much as digits as its factorization.

11109097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 11109097 is about 3333.0312029743. The cubic root of 11109097 is about 223.1308327559.

It can be divided in two parts, 1110909 and 7, that added together give a square (1110916 = 1054²).

The spelling of 11109097 in words is "eleven million, one hundred nine thousand, ninety-seven".