42112081441 has 4 divisors (see below), whose sum is σ = 44328506800. Its totient is φ = 39895656084.

The previous prime is 42112081391. The next prime is 42112081447. The reversal of 42112081441 is 14418021124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42112081441 - 2⁷ = 42112081313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42112081447) 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 3 ways as a sum of consecutive naturals, for example, 1108212651 + ... + 1108212688.

It is an arithmetic number, because the mean of its divisors is an integer number (11082126700).

Almost surely, 2^42112081441 is an apocalyptic number.

It is an amenable number.

42112081441 is a deficient number, since it is larger than the sum of its proper divisors (2216425359).

42112081441 is a wasteful number, since it uses less digits than its factorization.

42112081441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216425358.

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 42112081441 in words is "forty-two billion, one hundred twelve million, eighty-one thousand, four hundred forty-one".