42811252559 has 2 divisors, whose sum is σ = 42811252560. Its totient is φ = 42811252558.

The previous prime is 42811252483. The next prime is 42811252567. The reversal of 42811252559 is 95525211824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42811252559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42811242559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21405626279 + 21405626280.

It is an arithmetic number, because the mean of its divisors is an integer number (21405626280).

Almost surely, 2^42811252559 is an apocalyptic number.

42811252559 is a deficient number, since it is larger than the sum of its proper divisors (1).

42811252559 is an equidigital number, since it uses as much as digits as its factorization.

42811252559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 44.

The spelling of 42811252559 in words is "forty-two billion, eight hundred eleven million, two hundred fifty-two thousand, five hundred fifty-nine".