243100425556 has 12 divisors (see below), whose sum is σ = 427884854292. Its totient is φ = 120847610048.

The previous prime is 243100425551. The next prime is 243100425559. The reversal of 243100425556 is 655524001342.

243100425556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 158431065156 + 84669360400 = 398034^2 + 290980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243100425551) 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 3 ways as a sum of consecutive naturals, for example, 175649905 + ... + 175651288.

It is an arithmetic number, because the mean of its divisors is an integer number (35657071191).

Almost surely, 2^243100425556 is an apocalyptic number.

It is an amenable number.

243100425556 is a deficient number, since it is larger than the sum of its proper divisors (184784428736).

243100425556 is a wasteful number, since it uses less digits than its factorization.

243100425556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351301370 (or 351301368 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 243100425556 its reverse (655524001342), we get a palindrome (898624426898).

The spelling of 243100425556 in words is "two hundred forty-three billion, one hundred million, four hundred twenty-five thousand, five hundred fifty-six".