42111050143 has 2 divisors, whose sum is σ = 42111050144. Its totient is φ = 42111050142.

The previous prime is 42111050123. The next prime is 42111050209. The reversal of 42111050143 is 34105011124.

42111050143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42111050143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42111050123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055525071 + 21055525072.

It is an arithmetic number, because the mean of its divisors is an integer number (21055525072).

Almost surely, 2^42111050143 is an apocalyptic number.

42111050143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42111050143 is an equidigital number, since it uses as much as digits as its factorization.

42111050143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 42111050143 its reverse (34105011124), we get a palindrome (76216061267).

The spelling of 42111050143 in words is "forty-two billion, one hundred eleven million, fifty thousand, one hundred forty-three".