11405344134 has 8 divisors (see below), whose sum is σ = 22810688280. Its totient is φ = 3801781376.

The previous prime is 11405344133. The next prime is 11405344151. The reversal of 11405344134 is 43144350411.

11405344134 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

11405344134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405344133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950445339 + ... + 950445350.

It is an arithmetic number, because the mean of its divisors is an integer number (2851336035).

Almost surely, 2^11405344134 is an apocalyptic number.

11405344134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11405344134 is a wasteful number, since it uses less digits than its factorization.

11405344134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900890694.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 11405344134 its reverse (43144350411), we get a palindrome (54549694545).

The spelling of 11405344134 in words is "eleven billion, four hundred five million, three hundred forty-four thousand, one hundred thirty-four".