241340441255521 has 4 divisors (see below), whose sum is σ = 241987466567572. Its totient is φ = 240693415943472.

The previous prime is 241340441255519. The next prime is 241340441255609. The reversal of 241340441255521 is 125552144043142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59417965973025 + 181922475282496 = 7708305^2 + 13487864^2 .

It is a cyclic number.

It is not a de Polignac number, because 241340441255521 - 2¹ = 241340441255519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241340441255621) 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 in 3 ways as a sum of consecutive naturals, for example, 323512655466 + ... + 323512656211.

It is an arithmetic number, because the mean of its divisors is an integer number (60496866641893).

Almost surely, 2^{241340441255521} is an apocalyptic number.

It is an amenable number.

241340441255521 is a deficient number, since it is larger than the sum of its proper divisors (647025312051).

241340441255521 is an equidigital number, since it uses as much as digits as its factorization.

241340441255521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647025312050.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 241340441255521 its reverse (125552144043142), we get a palindrome (366892585298663).

The spelling of 241340441255521 in words is "two hundred forty-one trillion, three hundred forty billion, four hundred forty-one million, two hundred fifty-five thousand, five hundred twenty-one".