242534553501 has 16 divisors (see below), whose sum is σ = 337940839296. Its totient is φ = 154429879296.

The previous prime is 242534553431. The next prime is 242534553511. The reversal of 242534553501 is 105355435242.

It is not a de Polignac number, because 242534553501 - 2⁹ = 242534552989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242534553501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242534553511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2565000 + ... + 2657873.

It is an arithmetic number, because the mean of its divisors is an integer number (21121302456).

Almost surely, 2^242534553501 is an apocalyptic number.

It is an amenable number.

242534553501 is a deficient number, since it is larger than the sum of its proper divisors (95406285795).

242534553501 is a wasteful number, since it uses less digits than its factorization.

242534553501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223572.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 242534553501 its reverse (105355435242), we get a palindrome (347889988743).

It can be divided in two parts, 24253 and 4553501, that added together give a palindrome (4577754).

The spelling of 242534553501 in words is "two hundred forty-two billion, five hundred thirty-four million, five hundred fifty-three thousand, five hundred one".