11311223441 has 8 divisors (see below), whose sum is σ = 12930563520. Its totient is φ = 9692746128.

The previous prime is 11311223387. The next prime is 11311223449. The reversal of 11311223441 is 14432211311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11311223441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311223449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187346 + ... + 240251.

It is an arithmetic number, because the mean of its divisors is an integer number (1616320440).

Almost surely, 2^11311223441 is an apocalyptic number.

It is an amenable number.

11311223441 is a deficient number, since it is larger than the sum of its proper divisors (1619340079).

11311223441 is an equidigital number, since it uses as much as digits as its factorization.

11311223441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431383.

The product of its digits is 576, while the sum is 23.

Adding to 11311223441 its reverse (14432211311), we get a palindrome (25743434752).

The spelling of 11311223441 in words is "eleven billion, three hundred eleven million, two hundred twenty-three thousand, four hundred forty-one".