242000505555 has 16 divisors (see below), whose sum is σ = 396644732064. Its totient is φ = 125918961920.

The previous prime is 242000505529. The next prime is 242000505557. The reversal of 242000505555 is 555505000242.

242000505555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242000505555 - 2¹⁵ = 242000472787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242000505557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196747764 + ... + 196748993.

It is an arithmetic number, because the mean of its divisors is an integer number (24790295754).

Almost surely, 2^242000505555 is an apocalyptic number.

242000505555 is a deficient number, since it is larger than the sum of its proper divisors (154644226509).

242000505555 is a wasteful number, since it uses less digits than its factorization.

242000505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393496806.

The product of its (nonzero) digits is 50000, while the sum is 33.

Adding to 242000505555 its reverse (555505000242), we get a palindrome (797505505797).

The spelling of 242000505555 in words is "two hundred forty-two billion, five hundred five thousand, five hundred fifty-five".