255154424451571 has 2 divisors, whose sum is σ = 255154424451572. Its totient is φ = 255154424451570.

The previous prime is 255154424451517. The next prime is 255154424451593. The reversal of 255154424451571 is 175154424451552.

255154424451571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (255154424451517) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255154424451571 - 2¹⁹ = 255154423927283 is a prime.

It is not a weakly prime, because it can be changed into another prime (255154424451671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127577212225785 + 127577212225786.

It is an arithmetic number, because the mean of its divisors is an integer number (127577212225786).

Almost surely, 2^{255154424451571} is an apocalyptic number.

255154424451571 is a deficient number, since it is larger than the sum of its proper divisors (1).

255154424451571 is an equidigital number, since it uses as much as digits as its factorization.

255154424451571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400000, while the sum is 55.

The spelling of 255154424451571 in words is "two hundred fifty-five trillion, one hundred fifty-four billion, four hundred twenty-four million, four hundred fifty-one thousand, five hundred seventy-one".