11006641 has 4 divisors (see below), whose sum is σ = 11013412. Its totient is φ = 10999872.

The previous prime is 11006629. The next prime is 11006647. The reversal of 11006641 is 14660011.

It is a happy number.

11006641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8976016 + 2030625 = 2996^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 11006641 - 2⁵ = 11006609 is a prime.

It is a super-2 number, since 2×11006641² = 242292292205762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11006647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685 + ... + 4741.

It is an arithmetic number, because the mean of its divisors is an integer number (2753353).

Almost surely, 2^11006641 is an apocalyptic number.

It is an amenable number.

11006641 is a deficient number, since it is larger than the sum of its proper divisors (6771).

11006641 is an equidigital number, since it uses as much as digits as its factorization.

11006641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11006641 is about 3317.6258077125. The cubic root of 11006641 is about 222.4427559677.

Adding to 11006641 its reverse (14660011), we get a palindrome (25666652).

The spelling of 11006641 in words is "eleven million, six thousand, six hundred forty-one".