11144857 has 8 divisors (see below), whose sum is σ = 11710080. Its totient is φ = 10586400.

The previous prime is 11144839. The next prime is 11144863. The reversal of 11144857 is 75844111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11144857 - 2²³ = 2756249 is a prime.

It is a super-3 number, since 3×11144857³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144897) 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 7 ways as a sum of consecutive naturals, for example, 1869 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (1463760).

Almost surely, 2^11144857 is an apocalyptic number.

It is an amenable number.

11144857 is a deficient number, since it is larger than the sum of its proper divisors (565223).

11144857 is a wasteful number, since it uses less digits than its factorization.

11144857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383.

The product of its digits is 4480, while the sum is 31.

The square root of 11144857 is about 3338.3913790926. The cubic root of 11144857 is about 223.3699944766.

Adding to 11144857 its reverse (75844111), we get a palindrome (86988968).

It can be divided in two parts, 111448 and 57, that multiplied together give a palindrome (6352536).

The spelling of 11144857 in words is "eleven million, one hundred forty-four thousand, eight hundred fifty-seven".