11002144 has 12 divisors (see below), whose sum is σ = 21660534. Its totient is φ = 5501056.

The previous prime is 11002139. The next prime is 11002169. The reversal of 11002144 is 44120011.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 374544 = 3260^2 + 612^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171877 + ... + 171940.

Almost surely, 2^11002144 is an apocalyptic number.

It is an amenable number.

11002144 is a deficient number, since it is larger than the sum of its proper divisors (10658390).

11002144 is an equidigital number, since it uses as much as digits as its factorization.

11002144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343827 (or 343819 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11002144 is about 3316.9479947687. The cubic root of 11002144 is about 222.4124572495.

Adding to 11002144 its reverse (44120011), we get a palindrome (55122155).

The spelling of 11002144 in words is "eleven million, two thousand, one hundred forty-four".