11716851943 has 8 divisors (see below), whose sum is σ = 11738255760. Its totient is φ = 11695466880.

The previous prime is 11716851931. The next prime is 11716851967. The reversal of 11716851943 is 34915861711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11716851943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11716851893 and 11716851902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11716851973) 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, 1869471 + ... + 1875727.

It is an arithmetic number, because the mean of its divisors is an integer number (1467281970).

Almost surely, 2^11716851943 is an apocalyptic number.

11716851943 is a deficient number, since it is larger than the sum of its proper divisors (21403817).

11716851943 is an equidigital number, since it uses as much as digits as its factorization.

11716851943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377.

The product of its digits is 181440, while the sum is 46.

The spelling of 11716851943 in words is "eleven billion, seven hundred sixteen million, eight hundred fifty-one thousand, nine hundred forty-three".