11144631 has 8 divisors (see below), whose sum is σ = 14977024. Its totient is φ = 7371000.

The previous prime is 11144591. The next prime is 11144633. The reversal of 11144631 is 13644111.

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

It is not a de Polignac number, because 11144631 - 2¹⁰ = 11143607 is a prime.

It is a super-2 number, since 2×11144631² = 248405600252322, 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 = 11144598 and 11144607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144633) 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 7 ways as a sum of consecutive naturals, for example, 14245 + ... + 15006.

It is an arithmetic number, because the mean of its divisors is an integer number (1872128).

Almost surely, 2^11144631 is an apocalyptic number.

11144631 is a deficient number, since it is larger than the sum of its proper divisors (3832393).

11144631 is a wasteful number, since it uses less digits than its factorization.

11144631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29381.

The product of its digits is 288, while the sum is 21.

The square root of 11144631 is about 3338.3575302834. The cubic root of 11144631 is about 223.3684846035.

Adding to 11144631 its reverse (13644111), we get a palindrome (24788742).

The spelling of 11144631 in words is "eleven million, one hundred forty-four thousand, six hundred thirty-one".