255525354220443 has 4 divisors (see below), whose sum is σ = 340700472293928. Its totient is φ = 170350236146960.

The previous prime is 255525354220399. The next prime is 255525354220453. The reversal of 255525354220443 is 344022453525552.

255525354220443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255525354220443 - 2⁸ = 255525354220187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255525354220453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42587559036738 + ... + 42587559036743.

It is an arithmetic number, because the mean of its divisors is an integer number (85175118073482).

Almost surely, 2^{255525354220443} is an apocalyptic number.

255525354220443 is a deficient number, since it is larger than the sum of its proper divisors (85175118073485).

255525354220443 is an equidigital number, since it uses as much as digits as its factorization.

255525354220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85175118073484.

The product of its (nonzero) digits is 28800000, while the sum is 51.

The spelling of 255525354220443 in words is "two hundred fifty-five trillion, five hundred twenty-five billion, three hundred fifty-four million, two hundred twenty thousand, four hundred forty-three".