11043402241 has 4 divisors (see below), whose sum is σ = 11224441684. Its totient is φ = 10862362800.

The previous prime is 11043402239. The next prime is 11043402257. The reversal of 11043402241 is 14220434011.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 887801616 + 10155600625 = 29796^2 + 100775^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043402241 - 2¹ = 11043402239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043402341) 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, 90519630 + ... + 90519751.

It is an arithmetic number, because the mean of its divisors is an integer number (2806110421).

Almost surely, 2^11043402241 is an apocalyptic number.

It is an amenable number.

11043402241 is a deficient number, since it is larger than the sum of its proper divisors (181039443).

11043402241 is an equidigital number, since it uses as much as digits as its factorization.

11043402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181039442.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11043402241 its reverse (14220434011), we get a palindrome (25263836252).

The spelling of 11043402241 in words is "eleven billion, forty-three million, four hundred two thousand, two hundred forty-one".