42315856111 has 4 divisors (see below), whose sum is σ = 43299945832. Its totient is φ = 41331766392.

The previous prime is 42315856109. The next prime is 42315856123. The reversal of 42315856111 is 11165851324.

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 42315856111 - 2¹ = 42315856109 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 (42315856151) 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, 492044796 + ... + 492044881.

It is an arithmetic number, because the mean of its divisors is an integer number (10824986458).

Almost surely, 2^42315856111 is an apocalyptic number.

42315856111 is a deficient number, since it is larger than the sum of its proper divisors (984089721).

42315856111 is an equidigital number, since it uses as much as digits as its factorization.

42315856111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984089720.

The product of its digits is 28800, while the sum is 37.

The spelling of 42315856111 in words is "forty-two billion, three hundred fifteen million, eight hundred fifty-six thousand, one hundred eleven".