11441404213 has 4 divisors (see below), whose sum is σ = 11441668480. Its totient is φ = 11441139948.

The previous prime is 11441404207. The next prime is 11441404297. The reversal of 11441404213 is 31240414411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31240414411 = 83221 ⋅375391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11441404213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11441444213) 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, 50295 + ... + 159412.

It is an arithmetic number, because the mean of its divisors is an integer number (2860417120).

Almost surely, 2^11441404213 is an apocalyptic number.

It is an amenable number.

11441404213 is a deficient number, since it is larger than the sum of its proper divisors (264267).

11441404213 is an equidigital number, since it uses as much as digits as its factorization.

11441404213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264266.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11441404213 its reverse (31240414411), we get a palindrome (42681818624).

The spelling of 11441404213 in words is "eleven billion, four hundred forty-one million, four hundred four thousand, two hundred thirteen".