11403134343 has 16 divisors (see below), whose sum is σ = 17051420160. Its totient is φ = 7531040088.

The previous prime is 11403134291. The next prime is 11403134357. The reversal of 11403134343 is 34343130411.

11403134343 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 313 + 4 + 343 = 666.

11403134343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11403134343 - 2⁶ = 11403134279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403134543) 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 15 ways as a sum of consecutive naturals, for example, 1970655 + ... + 1976432.

It is an arithmetic number, because the mean of its divisors is an integer number (1065713760).

Almost surely, 2^11403134343 is an apocalyptic number.

11403134343 is a deficient number, since it is larger than the sum of its proper divisors (5648285817).

11403134343 is a wasteful number, since it uses less digits than its factorization.

11403134343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947203 (or 3947197 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 11403134343 its reverse (34343130411), we get a palindrome (45746264754).

The spelling of 11403134343 in words is "eleven billion, four hundred three million, one hundred thirty-four thousand, three hundred forty-three".