111066478267543 has 8 divisors (see below), whose sum is σ = 111136382683200. Its totient is φ = 110996574943488.

The previous prime is 111066478267531. The next prime is 111066478267691. The reversal of 111066478267543 is 345762874660111.

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 111066478267543 - 2¹³ = 111066478259351 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 (111066458267543) 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, 323766930 + ... + 324109792.

It is an arithmetic number, because the mean of its divisors is an integer number (13892047835400).

Almost surely, 2^{111066478267543} is an apocalyptic number.

111066478267543 is a deficient number, since it is larger than the sum of its proper divisors (69904415657).

111066478267543 is a wasteful number, since it uses less digits than its factorization.

111066478267543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545801.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 111066478267543 in words is "one hundred eleven trillion, sixty-six billion, four hundred seventy-eight million, two hundred sixty-seven thousand, five hundred forty-three".