42011243063 has 2 divisors, whose sum is σ = 42011243064. Its totient is φ = 42011243062.

The previous prime is 42011243023. The next prime is 42011243117. The reversal of 42011243063 is 36034211024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42011243063 - 2¹⁸ = 42010980919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42011243023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005621531 + 21005621532.

It is an arithmetic number, because the mean of its divisors is an integer number (21005621532).

Almost surely, 2^42011243063 is an apocalyptic number.

42011243063 is a deficient number, since it is larger than the sum of its proper divisors (1).

42011243063 is an equidigital number, since it uses as much as digits as its factorization.

42011243063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 42011243063 its reverse (36034211024), we get a palindrome (78045454087).

The spelling of 42011243063 in words is "forty-two billion, eleven million, two hundred forty-three thousand, sixty-three".