243211541113 has 16 divisors (see below), whose sum is σ = 268182702720. Its totient is φ = 219535405056.

The previous prime is 243211541057. The next prime is 243211541119. The reversal of 243211541113 is 311145112342.

It is a cyclic number.

It is not a de Polignac number, because 243211541113 - 2³³ = 234621606521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243211541119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970470 + ... + 1195087.

It is an arithmetic number, because the mean of its divisors is an integer number (16761418920).

Almost surely, 2^243211541113 is an apocalyptic number.

243211541113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

243211541113 is a deficient number, since it is larger than the sum of its proper divisors (24971161607).

243211541113 is a wasteful number, since it uses less digits than its factorization.

243211541113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165856.

The product of its digits is 2880, while the sum is 28.

Adding to 243211541113 its reverse (311145112342), we get a palindrome (554356653455).

The spelling of 243211541113 in words is "two hundred forty-three billion, two hundred eleven million, five hundred forty-one thousand, one hundred thirteen".