43143121216111 has 8 divisors (see below), whose sum is σ = 49307740683264. Its totient is φ = 36978830858040.

The previous prime is 43143121216009. The next prime is 43143121216123. The reversal of 43143121216111 is 11161212134134.

43143121216111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 43143121216111 - 2⁷ = 43143121215983 is a prime.

It is a super-2 number, since 2×43143121216111² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143121216171) 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, 81996295 + ... + 82520776.

It is an arithmetic number, because the mean of its divisors is an integer number (6163467585408).

Almost surely, 2^{43143121216111} is an apocalyptic number.

43143121216111 is a deficient number, since it is larger than the sum of its proper divisors (6164619467153).

43143121216111 is a wasteful number, since it uses less digits than its factorization.

43143121216111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164554541.

The product of its digits is 3456, while the sum is 31.

The spelling of 43143121216111 in words is "forty-three trillion, one hundred forty-three billion, one hundred twenty-one million, two hundred sixteen thousand, one hundred eleven".