218432272105803 has 24 divisors (see below), whose sum is σ = 339041841546960. Its totient is φ = 124726730257920.

The previous prime is 218432272105793. The next prime is 218432272105811. The reversal of 218432272105803 is 308501272234812.

It is not a de Polignac number, because 218432272105803 - 2⁹ = 218432272105291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218432272105603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545697738 + ... + 546097871.

It is an arithmetic number, because the mean of its divisors is an integer number (14126743397790).

Almost surely, 2^{218432272105803} is an apocalyptic number.

218432272105803 is a deficient number, since it is larger than the sum of its proper divisors (120609569441157).

218432272105803 is a wasteful number, since it uses less digits than its factorization.

218432272105803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091796987 (or 1091796980 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 218432272105803 in words is "two hundred eighteen trillion, four hundred thirty-two billion, two hundred seventy-two million, one hundred five thousand, eight hundred three".