11144667 has 4 divisors (see below), whose sum is σ = 14859560. Its totient is φ = 7429776.

The previous prime is 11144663. The next prime is 11144677. The reversal of 11144667 is 76644111.

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

It is not a de Polignac number, because 11144667 - 2² = 11144663 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11144663) 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, 1857442 + ... + 1857447.

It is an arithmetic number, because the mean of its divisors is an integer number (3714890).

Almost surely, 2^11144667 is an apocalyptic number.

11144667 is a deficient number, since it is larger than the sum of its proper divisors (3714893).

11144667 is an equidigital number, since it uses as much as digits as its factorization.

11144667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714892.

The product of its digits is 4032, while the sum is 30.

The square root of 11144667 is about 3338.3629221521. The cubic root of 11144667 is about 223.3687251156.

Adding to 11144667 its reverse (76644111), we get a palindrome (87788778).

It can be divided in two parts, 11144 and 667, that added together give a palindrome (11811).

The spelling of 11144667 in words is "eleven million, one hundred forty-four thousand, six hundred sixty-seven".