11411009 has 4 divisors (see below), whose sum is σ = 11424816. Its totient is φ = 11397204.

The previous prime is 11410991. The next prime is 11411011. The reversal of 11411009 is 90011411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90011411 = 7 ⋅12858773.

It is a cyclic number.

It is not a de Polignac number, because 11411009 - 2⁸ = 11410753 is a prime.

It is a super-2 number, since 2×11411009² = 260422252796162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11414009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5579 + ... + 7344.

It is an arithmetic number, because the mean of its divisors is an integer number (2856204).

Almost surely, 2^11411009 is an apocalyptic number.

It is an amenable number.

11411009 is a deficient number, since it is larger than the sum of its proper divisors (13807).

11411009 is an equidigital number, since it uses as much as digits as its factorization.

11411009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 11411009 is about 3378.0185020216. The cubic root of 11411009 is about 225.1341356559.

The spelling of 11411009 in words is "eleven million, four hundred eleven thousand, nine".