11165729 has 2 divisors, whose sum is σ = 11165730. Its totient is φ = 11165728.

The previous prime is 11165723. The next prime is 11165747. The reversal of 11165729 is 92756111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 616225 = 3248^2 + 785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11165729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11165695 and 11165704.

It is not a weakly prime, because it can be changed into another prime (11165723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5582864 + 5582865.

It is an arithmetic number, because the mean of its divisors is an integer number (5582865).

Almost surely, 2^11165729 is an apocalyptic number.

It is an amenable number.

11165729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165729 is an equidigital number, since it uses as much as digits as its factorization.

11165729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 32.

The square root of 11165729 is about 3341.5159733271. The cubic root of 11165729 is about 223.5093493713.

The spelling of 11165729 in words is "eleven million, one hundred sixty-five thousand, seven hundred twenty-nine".