42404404111 has 4 divisors (see below), whose sum is σ = 42941168800. Its totient is φ = 41867639424.

The previous prime is 42404404109. The next prime is 42404404127. The reversal of 42404404111 is 11140440424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42404404111 - 2¹ = 42404404109 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 (42404404151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268382226 + ... + 268382383.

It is an arithmetic number, because the mean of its divisors is an integer number (10735292200).

Almost surely, 2^42404404111 is an apocalyptic number.

42404404111 is a deficient number, since it is larger than the sum of its proper divisors (536764689).

42404404111 is an equidigital number, since it uses as much as digits as its factorization.

42404404111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536764688.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 42404404111 its reverse (11140440424), we get a palindrome (53544844535).

The spelling of 42404404111 in words is "forty-two billion, four hundred four million, four hundred four thousand, one hundred eleven".