242556655241 has 4 divisors (see below), whose sum is σ = 242569147392. Its totient is φ = 242544163092.

The previous prime is 242556655219. The next prime is 242556655301. The reversal of 242556655241 is 142556655242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242556655241 - 2⁶ = 242556655177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242556658241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6216905 + ... + 6255798.

It is an arithmetic number, because the mean of its divisors is an integer number (60642286848).

Almost surely, 2^242556655241 is an apocalyptic number.

It is an amenable number.

242556655241 is a deficient number, since it is larger than the sum of its proper divisors (12492151).

242556655241 is a wasteful number, since it uses less digits than its factorization.

242556655241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492150.

The product of its digits is 2880000, while the sum is 47.

Subtracting from 242556655241 its reverse (142556655242), we obtain a palindrome (99999999999).

The spelling of 242556655241 in words is "two hundred forty-two billion, five hundred fifty-six million, six hundred fifty-five thousand, two hundred forty-one".