255075181570477 has 2 divisors, whose sum is σ = 255075181570478. Its totient is φ = 255075181570476.

The previous prime is 255075181570459. The next prime is 255075181570597. The reversal of 255075181570477 is 774075181570552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244248324374916 + 10826857195561 = 15628446^2 + 3290419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255075181570477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255075181573477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127537590785238 + 127537590785239.

It is an arithmetic number, because the mean of its divisors is an integer number (127537590785239).

Almost surely, 2^{255075181570477} is an apocalyptic number.

It is an amenable number.

255075181570477 is a deficient number, since it is larger than the sum of its proper divisors (1).

255075181570477 is an equidigital number, since it uses as much as digits as its factorization.

255075181570477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96040000, while the sum is 64.

The spelling of 255075181570477 in words is "two hundred fifty-five trillion, seventy-five billion, one hundred eighty-one million, five hundred seventy thousand, four hundred seventy-seven".