4521531423112 has 128 divisors (see below), whose sum is σ = 9914662517760. Its totient is φ = 1912146635520.

The previous prime is 4521531423109. The next prime is 4521531423119. The reversal of 4521531423112 is 2113241351254.

It is not an unprimeable number, because it can be changed into a prime (4521531423119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299769123 + ... + 299784205.

It is an arithmetic number, because the mean of its divisors is an integer number (77458300920).

Almost surely, 2^{4521531423112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4521531423112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4957331258880).

4521531423112 is an abundant number, since it is smaller than the sum of its proper divisors (5393131094648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4521531423112 is a wasteful number, since it uses less digits than its factorization.

4521531423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163 (or 19159 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 4521531423112 its reverse (2113241351254), we get a palindrome (6634772774366).

The spelling of 4521531423112 in words is "four trillion, five hundred twenty-one billion, five hundred thirty-one million, four hundred twenty-three thousand, one hundred twelve".