11808386143 has 8 divisors (see below), whose sum is σ = 11921640912. Its totient is φ = 11695185216.

The previous prime is 11808386071. The next prime is 11808386203. The reversal of 11808386143 is 34168380811.

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-11808386143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11808386143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808386543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532371 + ... + 554107.

It is an arithmetic number, because the mean of its divisors is an integer number (1490205114).

Almost surely, 2^11808386143 is an apocalyptic number.

11808386143 is a deficient number, since it is larger than the sum of its proper divisors (113254769).

11808386143 is a wasteful number, since it uses less digits than its factorization.

11808386143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26921.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 11808386143 in words is "eleven billion, eight hundred eight million, three hundred eighty-six thousand, one hundred forty-three".