11331043422 has 64 divisors (see below), whose sum is σ = 24265785600. Its totient is φ = 3514959360.

The previous prime is 11331043333. The next prime is 11331043447. The reversal of 11331043422 is 22434013311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11331043392 and 11331043401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3812397 + ... + 3815367.

It is an arithmetic number, because the mean of its divisors is an integer number (379152900).

Almost surely, 2^11331043422 is an apocalyptic number.

11331043422 is an abundant number, since it is smaller than the sum of its proper divisors (12934742178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331043422 is a wasteful number, since it uses less digits than its factorization.

11331043422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11331043422 its reverse (22434013311), we get a palindrome (33765056733).

The spelling of 11331043422 in words is "eleven billion, three hundred thirty-one million, forty-three thousand, four hundred twenty-two".