42565673311 has 16 divisors (see below), whose sum is σ = 49974704704. Its totient is φ = 35489228544.

The previous prime is 42565673263. The next prime is 42565673323. The reversal of 42565673311 is 11337656524.

It is not a de Polignac number, because 42565673311 - 2¹¹ = 42565671263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42565673351) 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 15 ways as a sum of consecutive naturals, for example, 1040011 + ... + 1080163.

It is an arithmetic number, because the mean of its divisors is an integer number (3123419044).

Almost surely, 2^42565673311 is an apocalyptic number.

42565673311 is a deficient number, since it is larger than the sum of its proper divisors (7409031393).

42565673311 is a wasteful number, since it uses less digits than its factorization.

42565673311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44290.

The product of its digits is 453600, while the sum is 43.

The spelling of 42565673311 in words is "forty-two billion, five hundred sixty-five million, six hundred seventy-three thousand, three hundred eleven".