242550521400551 has 8 divisors (see below), whose sum is σ = 298523718646944. Its totient is φ = 191908104844320.

The previous prime is 242550521400541. The next prime is 242550521400553. The reversal of 242550521400551 is 155004125055242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242550521400551 - 2⁶ = 242550521400487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242550521400499 and 242550521400508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242550521400553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332695172440 + ... + 1332695172621.

It is an arithmetic number, because the mean of its divisors is an integer number (37315464830868).

Almost surely, 2^{242550521400551} is an apocalyptic number.

242550521400551 is a deficient number, since it is larger than the sum of its proper divisors (55973197246393).

242550521400551 is a wasteful number, since it uses less digits than its factorization.

242550521400551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665390345081.

The product of its (nonzero) digits is 400000, while the sum is 41.

Adding to 242550521400551 its reverse (155004125055242), we get a palindrome (397554646455793).

The spelling of 242550521400551 in words is "two hundred forty-two trillion, five hundred fifty billion, five hundred twenty-one million, four hundred thousand, five hundred fifty-one".