11090917 has 2 divisors, whose sum is σ = 11090918. Its totient is φ = 11090916.

The previous prime is 11090881. The next prime is 11090921. The reversal of 11090917 is 71909011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 2802276 = 2879^2 + 1674^2 .

It is a cyclic number.

It is not a de Polignac number, because 11090917 - 2²³ = 2702309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11090957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545458 + 5545459.

It is an arithmetic number, because the mean of its divisors is an integer number (5545459).

Almost surely, 2^11090917 is an apocalyptic number.

It is an amenable number.

11090917 is a deficient number, since it is larger than the sum of its proper divisors (1).

11090917 is an equidigital number, since it uses as much as digits as its factorization.

11090917 is an evil number, because the sum of its binary digits is even.

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

The square root of 11090917 is about 3330.3028390824. The cubic root of 11090917 is about 223.0090486787.

Adding to 11090917 its reverse (71909011), we get a palindrome (82999928).

The spelling of 11090917 in words is "eleven million, ninety thousand, nine hundred seventeen".