242534511051 has 48 divisors (see below), whose sum is σ = 382697425440. Its totient is φ = 136192734720.

The previous prime is 242534511019. The next prime is 242534511067. The reversal of 242534511051 is 150115435242.

It is not a de Polignac number, because 242534511051 - 2⁵ = 242534511019 is a prime.

It is a super-2 number, since 2×242534511051² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242534511251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10111765 + ... + 10135721.

It is an arithmetic number, because the mean of its divisors is an integer number (7972863030).

Almost surely, 2^242534511051 is an apocalyptic number.

242534511051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242534511051 is a deficient number, since it is larger than the sum of its proper divisors (140162914389).

242534511051 is a wasteful number, since it uses less digits than its factorization.

242534511051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25164 (or 25157 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 242534511051 its reverse (150115435242), we get a palindrome (392649946293).

The spelling of 242534511051 in words is "two hundred forty-two billion, five hundred thirty-four million, five hundred eleven thousand, fifty-one".