242115564241 has 4 divisors (see below), whose sum is σ = 242150574132. Its totient is φ = 242080554352.

The previous prime is 242115564217. The next prime is 242115564247. The reversal of 242115564241 is 142465511242.

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 98049770641 + 144065793600 = 313129^2 + 379560^2 .

It is a cyclic number.

It is not a de Polignac number, because 242115564241 - 2⁵ = 242115564209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242115564241.

It is not an unprimeable number, because it can be changed into a prime (242115564247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17494570 + ... + 17508403.

It is an arithmetic number, because the mean of its divisors is an integer number (60537643533).

Almost surely, 2^242115564241 is an apocalyptic number.

It is an amenable number.

242115564241 is a deficient number, since it is larger than the sum of its proper divisors (35009891).

242115564241 is an equidigital number, since it uses as much as digits as its factorization.

242115564241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35009890.

The product of its digits is 76800, while the sum is 37.

The spelling of 242115564241 in words is "two hundred forty-two billion, one hundred fifteen million, five hundred sixty-four thousand, two hundred forty-one".