4042111234243 has 4 divisors (see below), whose sum is σ = 4071191171320. Its totient is φ = 4013031297168.

The previous prime is 4042111234223. The next prime is 4042111234247. The reversal of 4042111234243 is 3424321112404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4042111234243 - 2¹³ = 4042111226051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042111234247) 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 3 ways as a sum of consecutive naturals, for example, 14539968330 + ... + 14539968607.

It is an arithmetic number, because the mean of its divisors is an integer number (1017797792830).

Almost surely, 2^{4042111234243} is an apocalyptic number.

4042111234243 is a deficient number, since it is larger than the sum of its proper divisors (29079937077).

4042111234243 is a wasteful number, since it uses less digits than its factorization.

4042111234243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29079937076.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4042111234243 its reverse (3424321112404), we get a palindrome (7466432346647).

The spelling of 4042111234243 in words is "four trillion, forty-two billion, one hundred eleven million, two hundred thirty-four thousand, two hundred forty-three".