243043000011 has 64 divisors (see below), whose sum is σ = 430055331840. Its totient is φ = 132638394240.

The previous prime is 243043000001. The next prime is 243043000027. The reversal of 243043000011 is 110000340342.

It is not a de Polignac number, because 243043000011 - 2¹⁰ = 243042998987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243043000001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2795781 + ... + 2881401.

It is an arithmetic number, because the mean of its divisors is an integer number (6719614560).

Almost surely, 2^243043000011 is an apocalyptic number.

243043000011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

243043000011 is a deficient number, since it is larger than the sum of its proper divisors (187012331829).

243043000011 is a wasteful number, since it uses less digits than its factorization.

243043000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86313 (or 86307 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 243043000011 its reverse (110000340342), we get a palindrome (353043340353).

The spelling of 243043000011 in words is "two hundred forty-three billion, forty-three million, eleven", and thus it is an aban number.