532431111520 has 288 divisors, whose sum is σ = 1663305235200. Its totient is φ = 157217448960.

The previous prime is 532431111491. The next prime is 532431111523. The reversal of 532431111520 is 25111134235.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532431111523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2471491 + ... + 2678269.

It is an arithmetic number, because the mean of its divisors is an integer number (5775365400).

Almost surely, 2^532431111520 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 532431111520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831652617600).

532431111520 is an abundant number, since it is smaller than the sum of its proper divisors (1130874123680).

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

532431111520 is a wasteful number, since it uses less digits than its factorization.

532431111520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206842 (or 206823 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 532431111520 its reverse (25111134235), we get a palindrome (557542245755).

The spelling of 532431111520 in words is "five hundred thirty-two billion, four hundred thirty-one million, one hundred eleven thousand, five hundred twenty".