11351009 has 2 divisors, whose sum is σ = 11351010. Its totient is φ = 11351008.

The previous prime is 11351003. The next prime is 11351023. The reversal of 11351009 is 90015311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8392609 + 2958400 = 2897^2 + 1720^2 .

It is an emirp because it is prime and its reverse (90015311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11351009 - 2¹⁶ = 11285473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11351003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5675504 + 5675505.

It is an arithmetic number, because the mean of its divisors is an integer number (5675505).

Almost surely, 2^11351009 is an apocalyptic number.

It is an amenable number.

11351009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11351009 is an equidigital number, since it uses as much as digits as its factorization.

11351009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 11351009 is about 3369.1258510183. The cubic root of 11351009 is about 224.7388509208.

The spelling of 11351009 in words is "eleven million, three hundred fifty-one thousand, nine".