42556442211 has 6 divisors (see below), whose sum is σ = 61470416540. Its totient is φ = 28370961468.

The previous prime is 42556442207. The next prime is 42556442219. The reversal of 42556442211 is 11224465524.

42556442211 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 644 + 2 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 42556442211 - 2² = 42556442207 is a prime.

It is a super-2 number, since 2×42556442211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42556442219) 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 in 5 ways as a sum of consecutive naturals, for example, 2364246781 + ... + 2364246798.

Almost surely, 2^42556442211 is an apocalyptic number.

42556442211 is a deficient number, since it is larger than the sum of its proper divisors (18913974329).

42556442211 is a wasteful number, since it uses less digits than its factorization.

42556442211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728493585 (or 4728493582 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The spelling of 42556442211 in words is "forty-two billion, five hundred fifty-six million, four hundred forty-two thousand, two hundred eleven".