242111554505 has 16 divisors (see below), whose sum is σ = 309261369600. Its totient is φ = 181433324160.

The previous prime is 242111554493. The next prime is 242111554507. The reversal of 242111554505 is 505455111242.

It is not a de Polignac number, because 242111554505 - 2²⁶ = 242044445641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242111554507) 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, 14309201 + ... + 14326110.

It is an arithmetic number, because the mean of its divisors is an integer number (19328835600).

Almost surely, 2^242111554505 is an apocalyptic number.

It is an amenable number.

242111554505 is a deficient number, since it is larger than the sum of its proper divisors (67149815095).

242111554505 is a wasteful number, since it uses less digits than its factorization.

242111554505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28635424.

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 242111554505 its reverse (505455111242), we get a palindrome (747566665747).

The spelling of 242111554505 in words is "two hundred forty-two billion, one hundred eleven million, five hundred fifty-four thousand, five hundred five".