11089019 has 4 divisors (see below), whose sum is σ = 11173800. Its totient is φ = 11004240.

The previous prime is 11089009. The next prime is 11089037. The reversal of 11089019 is 91098011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91098011 = 8521 ⋅10691.

It is a cyclic number.

It is not a de Polignac number, because 11089019 - 2¹⁶ = 11023483 is a prime.

It is a super-2 number, since 2×11089019² = 245932684764722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11088982 and 11089000.

It is not an unprimeable number, because it can be changed into a prime (11089009) 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 in 3 ways as a sum of consecutive naturals, for example, 42194 + ... + 42455.

It is an arithmetic number, because the mean of its divisors is an integer number (2793450).

Almost surely, 2^11089019 is an apocalyptic number.

11089019 is a deficient number, since it is larger than the sum of its proper divisors (84781).

11089019 is an equidigital number, since it uses as much as digits as its factorization.

11089019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84780.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 11089019 is about 3330.0178678199. The cubic root of 11089019 is about 222.9963266972.

The spelling of 11089019 in words is "eleven million, eighty-nine thousand, nineteen".