243725051504 has 30 divisors (see below), whose sum is σ = 519048757920. Its totient is φ = 110784113440.

The previous prime is 243725051503. The next prime is 243725051513. The reversal of 243725051504 is 405150527342.

243725051504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243725051503) 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 5 ways as a sum of consecutive naturals, for example, 62943584 + ... + 62947455.

It is an arithmetic number, because the mean of its divisors is an integer number (17301625264).

Almost surely, 2^243725051504 is an apocalyptic number.

It is an amenable number.

243725051504 is an abundant number, since it is smaller than the sum of its proper divisors (275323706416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243725051504 is a wasteful number, since it uses less digits than its factorization.

243725051504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125891069 (or 125891052 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

Adding to 243725051504 its reverse (405150527342), we get a palindrome (648875578846).

The spelling of 243725051504 in words is "two hundred forty-three billion, seven hundred twenty-five million, fifty-one thousand, five hundred four".