11404443411 has 8 divisors (see below), whose sum is σ = 16895471760. Its totient is φ = 7602962256.

The previous prime is 11404443403. The next prime is 11404443431. The reversal of 11404443411 is 11434440411.

It is not a de Polignac number, because 11404443411 - 2³ = 11404443403 is a prime.

It is a super-2 number, since 2×11404443411² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 422386793 = 11404443411 / (1 + 1 + 4 + 0 + 4 + 4 + 4 + 3 + 4 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (11404443431) 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, 211193370 + ... + 211193423.

It is an arithmetic number, because the mean of its divisors is an integer number (2111933970).

Almost surely, 2^11404443411 is an apocalyptic number.

11404443411 is a deficient number, since it is larger than the sum of its proper divisors (5491028349).

11404443411 is an equidigital number, since it uses as much as digits as its factorization.

11404443411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422386802 (or 422386796 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 11404443411 its reverse (11434440411), we get a palindrome (22838883822).

The spelling of 11404443411 in words is "eleven billion, four hundred four million, four hundred forty-three thousand, four hundred eleven".