11268019 has 4 divisors (see below), whose sum is σ = 12877744. Its totient is φ = 9658296.

The previous prime is 11268013. The next prime is 11268043. The reversal of 11268019 is 91086211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91086211 = 107 ⋅851273.

It is a cyclic number.

It is not a de Polignac number, because 11268019 - 2³ = 11268011 is a prime.

It is a super-2 number, since 2×11268019² = 253936504368722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11268011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804852 + ... + 804865.

It is an arithmetic number, because the mean of its divisors is an integer number (3219436).

Almost surely, 2^11268019 is an apocalyptic number.

11268019 is a deficient number, since it is larger than the sum of its proper divisors (1609725).

11268019 is an equidigital number, since it uses as much as digits as its factorization.

11268019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609724.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 11268019 is about 3356.7870054563. The cubic root of 11268019 is about 224.1898037843.

The spelling of 11268019 in words is "eleven million, two hundred sixty-eight thousand, nineteen".