42520431112 has 32 divisors (see below), whose sum is σ = 79871806080. Its totient is φ = 21221327680.

The previous prime is 42520431097. The next prime is 42520431139. The reversal of 42520431112 is 21113402524.

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, 14954763 + ... + 14957605.

It is an arithmetic number, because the mean of its divisors is an integer number (2495993940).

Almost surely, 2^42520431112 is an apocalyptic number.

It is an amenable number.

42520431112 is a deficient number, since it is larger than the sum of its proper divisors (37351374968).

42520431112 is a wasteful number, since it uses less digits than its factorization.

42520431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613 (or 5609 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 42520431112 its reverse (21113402524), we get a palindrome (63633833636).

The spelling of 42520431112 in words is "forty-two billion, five hundred twenty million, four hundred thirty-one thousand, one hundred twelve".