11000641 has 4 divisors (see below), whose sum is σ = 11010772. Its totient is φ = 10990512.

The previous prime is 11000623. The next prime is 11000651. The reversal of 11000641 is 14600011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14600011 = 1319 ⋅11069.

It can be written as a sum of positive squares in 2 ways, for example, as 4730625 + 6270016 = 2175^2 + 2504^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000641 - 2¹¹ = 10998593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000651) 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, 3210 + ... + 5683.

It is an arithmetic number, because the mean of its divisors is an integer number (2752693).

Almost surely, 2^11000641 is an apocalyptic number.

It is an amenable number.

11000641 is a deficient number, since it is larger than the sum of its proper divisors (10131).

11000641 is an equidigital number, since it uses as much as digits as its factorization.

11000641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11000641 is about 3316.7214233336. The cubic root of 11000641 is about 222.4023288859.

Adding to 11000641 its reverse (14600011), we get a palindrome (25600652).

The spelling of 11000641 in words is "eleven million, six hundred forty-one", and thus it is an aban number.