42111115574 has 16 divisors (see below), whose sum is σ = 69404852160. Its totient is φ = 19003706760.

The previous prime is 42111115561. The next prime is 42111115609. The reversal of 42111115574 is 47551111124.

It is a self number, because there is not a number n which added to its sum of digits gives 42111115574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6882344 + ... + 6888459.

It is an arithmetic number, because the mean of its divisors is an integer number (4337803260).

Almost surely, 2^42111115574 is an apocalyptic number.

42111115574 is a deficient number, since it is larger than the sum of its proper divisors (27293736586).

42111115574 is a wasteful number, since it uses less digits than its factorization.

42111115574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13770955.

The product of its digits is 5600, while the sum is 32.

Adding to 42111115574 its reverse (47551111124), we get a palindrome (89662226698).

The spelling of 42111115574 in words is "forty-two billion, one hundred eleven million, one hundred fifteen thousand, five hundred seventy-four".