11424431211 has 8 divisors (see below), whose sum is σ = 15261814224. Its totient is φ = 7601667840.

The previous prime is 11424431189. The next prime is 11424431243. The reversal of 11424431211 is 11213442411.

It is a happy number.

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

It is not a de Polignac number, because 11424431211 - 2¹⁵ = 11424398443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11424431111) 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, 3653086 + ... + 3656211.

It is an arithmetic number, because the mean of its divisors is an integer number (1907726778).

Almost surely, 2^11424431211 is an apocalyptic number.

11424431211 is a deficient number, since it is larger than the sum of its proper divisors (3837383013).

11424431211 is an equidigital number, since it uses as much as digits as its factorization.

11424431211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309821.

The product of its digits is 768, while the sum is 24.

Adding to 11424431211 its reverse (11213442411), we get a palindrome (22637873622).

The spelling of 11424431211 in words is "eleven billion, four hundred twenty-four million, four hundred thirty-one thousand, two hundred eleven".