243111265472071 has 12 divisors (see below), whose sum is σ = 248242831899160. Its totient is φ = 238083363853920.

The previous prime is 243111265472039. The next prime is 243111265472081. The reversal of 243111265472071 is 170274562111342.

It is not a de Polignac number, because 243111265472071 - 2⁵ = 243111265472039 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 (243111265472021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78468561 + ... + 81507898.

Almost surely, 2^{243111265472071} is an apocalyptic number.

243111265472071 is a deficient number, since it is larger than the sum of its proper divisors (5131566427089).

243111265472071 is an equidigital number, since it uses as much as digits as its factorization.

243111265472071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159977106 (or 159977053 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 243111265472071 in words is "two hundred forty-three trillion, one hundred eleven billion, two hundred sixty-five million, four hundred seventy-two thousand, seventy-one".