255012355051813 has 2 divisors, whose sum is σ = 255012355051814. Its totient is φ = 255012355051812.

The previous prime is 255012355051763. The next prime is 255012355051823. The reversal of 255012355051813 is 318150553210552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244450160549604 + 10562194502209 = 15634902^2 + 3249953^2 .

It is a cyclic number.

It is not a de Polignac number, because 255012355051813 - 2⁹ = 255012355051301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255012355051823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127506177525906 + 127506177525907.

It is an arithmetic number, because the mean of its divisors is an integer number (127506177525907).

Almost surely, 2^{255012355051813} is an apocalyptic number.

It is an amenable number.

255012355051813 is a deficient number, since it is larger than the sum of its proper divisors (1).

255012355051813 is an equidigital number, since it uses as much as digits as its factorization.

255012355051813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 46.

The spelling of 255012355051813 in words is "two hundred fifty-five trillion, twelve billion, three hundred fifty-five million, fifty-one thousand, eight hundred thirteen".