42213205555 has 16 divisors (see below), whose sum is σ = 50882825664. Its totient is φ = 33619420800.

The previous prime is 42213205553. The next prime is 42213205571. The reversal of 42213205555 is 55550231224.

It is not a de Polignac number, because 42213205555 - 2¹ = 42213205553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42213205555.

It is not an unprimeable number, because it can be changed into a prime (42213205553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2090005 + ... + 2110105.

It is an arithmetic number, because the mean of its divisors is an integer number (3180176604).

Almost surely, 2^42213205555 is an apocalyptic number.

42213205555 is a deficient number, since it is larger than the sum of its proper divisors (8669620109).

42213205555 is a wasteful number, since it uses less digits than its factorization.

42213205555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21966.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 42213205555 its reverse (55550231224), we get a palindrome (97763436779).

The spelling of 42213205555 in words is "forty-two billion, two hundred thirteen million, two hundred five thousand, five hundred fifty-five".