255441530221013 has 8 divisors (see below), whose sum is σ = 257813902018200. Its totient is φ = 253069683360768.

The previous prime is 255441530220953. The next prime is 255441530221037. The reversal of 255441530221013 is 310122035144552.

It can be written as a sum of positive squares in 4 ways, for example, as 7390905578884 + 248050624642129 = 2718622^2 + 15749623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255441530221013 - 2¹⁰ = 255441530219989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255441530221063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130256456 + ... + 132202977.

It is an arithmetic number, because the mean of its divisors is an integer number (32226737752275).

Almost surely, 2^{255441530221013} is an apocalyptic number.

It is an amenable number.

255441530221013 is a deficient number, since it is larger than the sum of its proper divisors (2372371797187).

255441530221013 is a wasteful number, since it uses less digits than its factorization.

255441530221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262468471.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 255441530221013 its reverse (310122035144552), we get a palindrome (565563565365565).

The spelling of 255441530221013 in words is "two hundred fifty-five trillion, four hundred forty-one billion, five hundred thirty million, two hundred twenty-one thousand, thirteen".