11109617 has 2 divisors, whose sum is σ = 11109618. Its totient is φ = 11109616.

The previous prime is 11109613. The next prime is 11109629. The reversal of 11109617 is 71690111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 4145296 = 2639^2 + 2036^2 .

It is an emirp because it is prime and its reverse (71690111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11109617 - 2² = 11109613 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11109611) 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, 5554808 + 5554809.

It is an arithmetic number, because the mean of its divisors is an integer number (5554809).

Almost surely, 2^11109617 is an apocalyptic number.

It is an amenable number.

11109617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109617 is an equidigital number, since it uses as much as digits as its factorization.

11109617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 11109617 is about 3333.1092091319. The cubic root of 11109617 is about 223.1343141736.

Adding to 11109617 its reverse (71690111), we get a palindrome (82799728).

It can be divided in two parts, 11109 and 617, that multiplied together give a triangular number (6854253 = T₃₇₀₂).

The spelling of 11109617 in words is "eleven million, one hundred nine thousand, six hundred seventeen".