242001305242555 has 8 divisors (see below), whose sum is σ = 290455037427744. Its totient is φ = 193565396769600.

The previous prime is 242001305242537. The next prime is 242001305242597. The reversal of 242001305242555 is 555242503100242.

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

It is not a de Polignac number, because 242001305242555 - 2²⁷ = 242001171024827 is a prime.

It is a super-3 number, since 3×242001305242555³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455898186 + ... + 4455952495.

It is an arithmetic number, because the mean of its divisors is an integer number (36306879678468).

Almost surely, 2^{242001305242555} is an apocalyptic number.

242001305242555 is a deficient number, since it is larger than the sum of its proper divisors (48453732185189).

242001305242555 is an equidigital number, since it uses as much as digits as its factorization.

242001305242555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911856117.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 242001305242555 its reverse (555242503100242), we get a palindrome (797243808342797).

The spelling of 242001305242555 in words is "two hundred forty-two trillion, one billion, three hundred five million, two hundred forty-two thousand, five hundred fifty-five".