243111352139 has 8 divisors (see below), whose sum is σ = 243468287040. Its totient is φ = 242754614856.

The previous prime is 243111352123. The next prime is 243111352151. The reversal of 243111352139 is 931253111342.

243111352139 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 243111352139 - 2⁴ = 243111352123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243111352099 and 243111352108.

It is not an unprimeable number, because it can be changed into a prime (243111352109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509292 + ... + 2604374.

It is an arithmetic number, because the mean of its divisors is an integer number (30433535880).

Almost surely, 2^243111352139 is an apocalyptic number.

243111352139 is a deficient number, since it is larger than the sum of its proper divisors (356934901).

243111352139 is an equidigital number, since it uses as much as digits as its factorization.

243111352139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98809.

The product of its digits is 19440, while the sum is 35.

The spelling of 243111352139 in words is "two hundred forty-three billion, one hundred eleven million, three hundred fifty-two thousand, one hundred thirty-nine".