242152515115 has 16 divisors (see below), whose sum is σ = 351629871552. Its totient is φ = 156279942144.

The previous prime is 242152515091. The next prime is 242152515119. The reversal of 242152515115 is 511515251242.

It is a cyclic number.

It is not a de Polignac number, because 242152515115 - 2⁹ = 242152514603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242152515119) 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 15 ways as a sum of consecutive naturals, for example, 203488914 + ... + 203490103.

It is an arithmetic number, because the mean of its divisors is an integer number (21976866972).

Almost surely, 2^242152515115 is an apocalyptic number.

242152515115 is a deficient number, since it is larger than the sum of its proper divisors (109477356437).

242152515115 is a wasteful number, since it uses less digits than its factorization.

242152515115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406979046.

The product of its digits is 20000, while the sum is 34.

Adding to 242152515115 its reverse (511515251242), we get a palindrome (753667766357).

The spelling of 242152515115 in words is "two hundred forty-two billion, one hundred fifty-two million, five hundred fifteen thousand, one hundred fifteen".