255787682312643 has 64 divisors (see below), whose sum is σ = 374138896320000. Its totient is φ = 154479472367616.

The previous prime is 255787682312641. The next prime is 255787682312693. The reversal of 255787682312643 is 346213286787552.

255787682312643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255787682312643 - 2¹ = 255787682312641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255787682312641) 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, 6605555680 + ... + 6605594402.

It is an arithmetic number, because the mean of its divisors is an integer number (5845920255000).

Almost surely, 2^{255787682312643} is an apocalyptic number.

255787682312643 is a deficient number, since it is larger than the sum of its proper divisors (118351214007357).

255787682312643 is a wasteful number, since it uses less digits than its factorization.

255787682312643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43556.

The product of its digits is 812851200, while the sum is 69.

The spelling of 255787682312643 in words is "two hundred fifty-five trillion, seven hundred eighty-seven billion, six hundred eighty-two million, three hundred twelve thousand, six hundred forty-three".