11144869 has 4 divisors (see below), whose sum is σ = 11404096. Its totient is φ = 10885644.

The previous prime is 11144863. The next prime is 11144879. The reversal of 11144869 is 96844111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11144869 - 2¹¹ = 11142821 is a prime.

It is a super-2 number, since 2×11144869² = 248416210054322, 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 (11144863) 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, 129549 + ... + 129634.

It is an arithmetic number, because the mean of its divisors is an integer number (2851024).

Almost surely, 2^11144869 is an apocalyptic number.

It is an amenable number.

11144869 is a deficient number, since it is larger than the sum of its proper divisors (259227).

11144869 is an equidigital number, since it uses as much as digits as its factorization.

11144869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259226.

The product of its digits is 6912, while the sum is 34.

The square root of 11144869 is about 3338.3931763649. The cubic root of 11144869 is about 223.3700746463.

The spelling of 11144869 in words is "eleven million, one hundred forty-four thousand, eight hundred sixty-nine".