42554040071 has 2 divisors, whose sum is σ = 42554040072. Its totient is φ = 42554040070.

The previous prime is 42554040043. The next prime is 42554040083. The reversal of 42554040071 is 17004045524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42554040071 - 2⁶ = 42554040007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42554040041) 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 as a sum of consecutive naturals, namely, 21277020035 + 21277020036.

It is an arithmetic number, because the mean of its divisors is an integer number (21277020036).

Almost surely, 2^42554040071 is an apocalyptic number.

42554040071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42554040071 is an equidigital number, since it uses as much as digits as its factorization.

42554040071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 32.

Adding to 42554040071 its reverse (17004045524), we get a palindrome (59558085595).

The spelling of 42554040071 in words is "forty-two billion, five hundred fifty-four million, forty thousand, seventy-one".