11005144 has 16 divisors (see below), whose sum is σ = 21074400. Its totient is φ = 5385312.

The previous prime is 11005091. The next prime is 11005151. The reversal of 11005144 is 44150011.

It is a super-2 number, since 2×11005144² = 242226388921472, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14259 + ... + 15010.

It is an arithmetic number, because the mean of its divisors is an integer number (1317150).

Almost surely, 2^11005144 is an apocalyptic number.

It is an amenable number.

11005144 is a deficient number, since it is larger than the sum of its proper divisors (10069256).

11005144 is a wasteful number, since it uses less digits than its factorization.

11005144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29322 (or 29318 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11005144 is about 3317.4001868933. The cubic root of 11005144 is about 222.4326707865.

Adding to 11005144 its reverse (44150011), we get a palindrome (55155155).

The spelling of 11005144 in words is "eleven million, five thousand, one hundred forty-four".