242116077511 has 32 divisors (see below), whose sum is σ = 318640896000. Its totient is φ = 182156214240.

The previous prime is 242116077509. The next prime is 242116077571. The reversal of 242116077511 is 115770611242.

It is not a de Polignac number, because 242116077511 - 2¹ = 242116077509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242116077571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996975 + ... + 1215808.

It is an arithmetic number, because the mean of its divisors is an integer number (9957528000).

Almost surely, 2^242116077511 is an apocalyptic number.

242116077511 is a deficient number, since it is larger than the sum of its proper divisors (76524818489).

242116077511 is a wasteful number, since it uses less digits than its factorization.

242116077511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212844 (or 2212830 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

Adding to 242116077511 its reverse (115770611242), we get a palindrome (357886688753).

The spelling of 242116077511 in words is "two hundred forty-two billion, one hundred sixteen million, seventy-seven thousand, five hundred eleven".