242534553503 has 32 divisors (see below), whose sum is σ = 279422161920. Its totient is φ = 208561541760.

The previous prime is 242534553431. The next prime is 242534553511. The reversal of 242534553503 is 305355435242.

It is a happy number.

It is not a de Polignac number, because 242534553503 - 2¹⁶ = 242534487967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242534553203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1769813 + ... + 1901921.

It is an arithmetic number, because the mean of its divisors is an integer number (8731942560).

Almost surely, 2^242534553503 is an apocalyptic number.

242534553503 is a deficient number, since it is larger than the sum of its proper divisors (36887608417).

242534553503 is a wasteful number, since it uses less digits than its factorization.

242534553503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132287.

The product of its (nonzero) digits is 1080000, while the sum is 41.

Adding to 242534553503 its reverse (305355435242), we get a palindrome (547889988745).

The spelling of 242534553503 in words is "two hundred forty-two billion, five hundred thirty-four million, five hundred fifty-three thousand, five hundred three".