243045240011 has 12 divisors (see below), whose sum is σ = 283826211768. Its totient is φ = 207513879552.

The previous prime is 243045240001. The next prime is 243045240013. The reversal of 243045240011 is 110042540342.

It is not a de Polignac number, because 243045240011 - 2¹⁰ = 243045238987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243045240013) 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, 9637421 + ... + 9662606.

It is an arithmetic number, because the mean of its divisors is an integer number (23652184314).

Almost surely, 2^243045240011 is an apocalyptic number.

243045240011 is a deficient number, since it is larger than the sum of its proper divisors (40780971757).

243045240011 is a wasteful number, since it uses less digits than its factorization.

243045240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19300298 (or 19300291 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 243045240011 its reverse (110042540342), we get a palindrome (353087780353).

The spelling of 243045240011 in words is "two hundred forty-three billion, forty-five million, two hundred forty thousand, eleven".