11434121443 has 32 divisors (see below), whose sum is σ = 12661761024. Its totient is φ = 10281503232.

The previous prime is 11434121411. The next prime is 11434121453. The reversal of 11434121443 is 34412143411.

11434121443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11434121443 - 2⁵ = 11434121411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11434121453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7688646 + ... + 7690132.

It is an arithmetic number, because the mean of its divisors is an integer number (395680032).

Almost surely, 2^11434121443 is an apocalyptic number.

11434121443 is a deficient number, since it is larger than the sum of its proper divisors (1227639581).

11434121443 is a wasteful number, since it uses less digits than its factorization.

11434121443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

The product of its digits is 4608, while the sum is 28.

Adding to 11434121443 its reverse (34412143411), we get a palindrome (45846264854).

The spelling of 11434121443 in words is "eleven billion, four hundred thirty-four million, one hundred twenty-one thousand, four hundred forty-three".