11118617 has 2 divisors, whose sum is σ = 11118618. Its totient is φ = 11118616.

The previous prime is 11118607. The next prime is 11118623. The reversal of 11118617 is 71681111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6370576 + 4748041 = 2524^2 + 2179^2 .

It is an emirp because it is prime and its reverse (71681111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11118617 - 2¹⁰ = 11117593 is a prime.

It is a super-4 number, since 4×11118617⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11118607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559308 + 5559309.

It is an arithmetic number, because the mean of its divisors is an integer number (5559309).

Almost surely, 2^11118617 is an apocalyptic number.

It is an amenable number.

11118617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118617 is an equidigital number, since it uses as much as digits as its factorization.

11118617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 26.

The square root of 11118617 is about 3334.4590265889. The cubic root of 11118617 is about 223.1945522773.

Adding to 11118617 its reverse (71681111), we get a palindrome (82799728).

The spelling of 11118617 in words is "eleven million, one hundred eighteen thousand, six hundred seventeen".