8143406801111 has 4 divisors (see below), whose sum is σ = 8143794031824. Its totient is φ = 8143019570400.

The previous prime is 8143406801087. The next prime is 8143406801113. The reversal of 8143406801111 is 1111086043418.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8143406801111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8143406801113) 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, 193583810 + ... + 193625871.

It is an arithmetic number, because the mean of its divisors is an integer number (2035948507956).

Almost surely, 2^{8143406801111} is an apocalyptic number.

8143406801111 is a deficient number, since it is larger than the sum of its proper divisors (387230713).

8143406801111 is a wasteful number, since it uses less digits than its factorization.

8143406801111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387230712.

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 8143406801111 in words is "eight trillion, one hundred forty-three billion, four hundred six million, eight hundred one thousand, one hundred eleven".