11643530343 has 8 divisors (see below), whose sum is σ = 16025504256. Its totient is φ = 7511955000.

The previous prime is 11643530323. The next prime is 11643530359. The reversal of 11643530343 is 34303534611.

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

It is not a de Polignac number, because 11643530343 - 2⁶ = 11643530279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643530323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62599533 + ... + 62599718.

It is an arithmetic number, because the mean of its divisors is an integer number (2003188032).

Almost surely, 2^11643530343 is an apocalyptic number.

11643530343 is a deficient number, since it is larger than the sum of its proper divisors (4381973913).

11643530343 is a wasteful number, since it uses less digits than its factorization.

11643530343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125199285.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 11643530343 in words is "eleven billion, six hundred forty-three million, five hundred thirty thousand, three hundred forty-three".