242140152511 has 12 divisors (see below), whose sum is σ = 258761846448. Its totient is φ = 226531918592.

The previous prime is 242140152481. The next prime is 242140152523. The reversal of 242140152511 is 115251041242.

242140152511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242140152511 - 2⁹ = 242140151999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242140152511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140159511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2460286 + ... + 2556811.

It is an arithmetic number, because the mean of its divisors is an integer number (21563487204).

Almost surely, 2^242140152511 is an apocalyptic number.

242140152511 is a deficient number, since it is larger than the sum of its proper divisors (16621693937).

242140152511 is a wasteful number, since it uses less digits than its factorization.

242140152511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017298 (or 5017281 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 242140152511 its reverse (115251041242), we get a palindrome (357391193753).

The spelling of 242140152511 in words is "two hundred forty-two billion, one hundred forty million, one hundred fifty-two thousand, five hundred eleven".