11365597 has 2 divisors, whose sum is σ = 11365598. Its totient is φ = 11365596.

The previous prime is 11365579. The next prime is 11365603. The reversal of 11365597 is 79556311.

Together with previous prime (11365579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 116281 = 3354^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 11365597 - 2¹¹ = 11363549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11365997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5682798 + 5682799.

It is an arithmetic number, because the mean of its divisors is an integer number (5682799).

Almost surely, 2^11365597 is an apocalyptic number.

It is an amenable number.

11365597 is a deficient number, since it is larger than the sum of its proper divisors (1).

11365597 is an equidigital number, since it uses as much as digits as its factorization.

11365597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 37.

The square root of 11365597 is about 3371.2901091422. The cubic root of 11365597 is about 224.8350857396.

The spelling of 11365597 in words is "eleven million, three hundred sixty-five thousand, five hundred ninety-seven".