255242550014477 has 2 divisors, whose sum is σ = 255242550014478. Its totient is φ = 255242550014476.

The previous prime is 255242550014411. The next prime is 255242550014497. The reversal of 255242550014477 is 774410055242552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251286981937156 + 3955568077321 = 15852034^2 + 1988861^2 .

It is a cyclic number.

It is not a de Polignac number, because 255242550014477 - 2³⁴ = 255225370145293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255242550014497) 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 as a sum of consecutive naturals, namely, 127621275007238 + 127621275007239.

It is an arithmetic number, because the mean of its divisors is an integer number (127621275007239).

Almost surely, 2^{255242550014477} is an apocalyptic number.

It is an amenable number.

255242550014477 is a deficient number, since it is larger than the sum of its proper divisors (1).

255242550014477 is an equidigital number, since it uses as much as digits as its factorization.

255242550014477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680000, while the sum is 53.

The spelling of 255242550014477 in words is "two hundred fifty-five trillion, two hundred forty-two billion, five hundred fifty million, fourteen thousand, four hundred seventy-seven".