255355434004501 has 2 divisors, whose sum is σ = 255355434004502. Its totient is φ = 255355434004500.

The previous prime is 255355434004439. The next prime is 255355434004513. The reversal of 255355434004501 is 105400434553552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219982320903601 + 35373113100900 = 14831801^2 + 5947530^2 .

It is a cyclic number.

It is not a de Polignac number, because 255355434004501 - 2⁴³ = 246559340982293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255355434004901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127677717002250 + 127677717002251.

It is an arithmetic number, because the mean of its divisors is an integer number (127677717002251).

Almost surely, 2^{255355434004501} is an apocalyptic number.

It is an amenable number.

255355434004501 is a deficient number, since it is larger than the sum of its proper divisors (1).

255355434004501 is an equidigital number, since it uses as much as digits as its factorization.

255355434004501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 255355434004501 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-four million, four thousand, five hundred one".