11422111443 has 8 divisors (see below), whose sum is σ = 15891633408. Its totient is φ = 7283665224.

The previous prime is 11422111429. The next prime is 11422111447. The reversal of 11422111443 is 34411122411.

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 11422111443 - 2⁴ = 11422111427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11422111447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82768855 + ... + 82768992.

It is an arithmetic number, because the mean of its divisors is an integer number (1986454176).

Almost surely, 2^11422111443 is an apocalyptic number.

11422111443 is a deficient number, since it is larger than the sum of its proper divisors (4469521965).

11422111443 is a wasteful number, since it uses less digits than its factorization.

11422111443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165537873.

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

Adding to 11422111443 its reverse (34411122411), we get a palindrome (45833233854).

The spelling of 11422111443 in words is "eleven billion, four hundred twenty-two million, one hundred eleven thousand, four hundred forty-three".