243325055513 has 16 divisors (see below), whose sum is σ = 246402410496. Its totient is φ = 240268654080.

The previous prime is 243325055471. The next prime is 243325055579. The reversal of 243325055513 is 315550523342.

243325055513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243325055513 - 2¹⁴ = 243325039129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243325052513) 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 15 ways as a sum of consecutive naturals, for example, 23680745 + ... + 23691017.

It is an arithmetic number, because the mean of its divisors is an integer number (15400150656).

Almost surely, 2^243325055513 is an apocalyptic number.

It is an amenable number.

243325055513 is a deficient number, since it is larger than the sum of its proper divisors (3077354983).

243325055513 is a wasteful number, since it uses less digits than its factorization.

243325055513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 243325055513 its reverse (315550523342), we get a palindrome (558875578855).

The spelling of 243325055513 in words is "two hundred forty-three billion, three hundred twenty-five million, fifty-five thousand, five hundred thirteen".