11144919 has 4 divisors (see below), whose sum is σ = 14859896. Its totient is φ = 7429944.

The previous prime is 11144899. The next prime is 11144929. The reversal of 11144919 is 91944111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11144919 - 2⁸ = 11144663 is a prime.

It is a super-2 number, since 2×11144919² = 248418439033122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144929) 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, 1857484 + ... + 1857489.

It is an arithmetic number, because the mean of its divisors is an integer number (3714974).

Almost surely, 2^11144919 is an apocalyptic number.

11144919 is a deficient number, since it is larger than the sum of its proper divisors (3714977).

11144919 is an equidigital number, since it uses as much as digits as its factorization.

11144919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714976.

The product of its digits is 1296, while the sum is 30.

The square root of 11144919 is about 3338.4006649892. The cubic root of 11144919 is about 223.3704086860.

The spelling of 11144919 in words is "eleven million, one hundred forty-four thousand, nine hundred nineteen".