242210311525135 has 16 divisors (see below), whose sum is σ = 297414014081184. Its totient is φ = 189260558226432.

The previous prime is 242210311525033. The next prime is 242210311525139. The reversal of 242210311525135 is 531525113012242.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242210311525135 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242210311525094 and 242210311525103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242210311525139) 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, 24190119 + ... + 32704471.

It is an arithmetic number, because the mean of its divisors is an integer number (18588375880074).

Almost surely, 2^{242210311525135} is an apocalyptic number.

242210311525135 is a deficient number, since it is larger than the sum of its proper divisors (55203702556049).

242210311525135 is a wasteful number, since it uses less digits than its factorization.

242210311525135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646714.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 242210311525135 its reverse (531525113012242), we get a palindrome (773735424537377).

The spelling of 242210311525135 in words is "two hundred forty-two trillion, two hundred ten billion, three hundred eleven million, five hundred twenty-five thousand, one hundred thirty-five".