531252643160 has 96 divisors (see below), whose sum is σ = 1282342119120. Its totient is φ = 198020352000.

The previous prime is 531252643123. The next prime is 531252643183. The reversal of 531252643160 is 61346252135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 940055 + ... + 1395065.

Almost surely, 2^531252643160 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 531252643160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641171059560).

531252643160 is an abundant number, since it is smaller than the sum of its proper divisors (751089475960).

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

531252643160 is a wasteful number, since it uses less digits than its factorization.

531252643160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455157 (or 455136 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 531252643160 its reverse (61346252135), we get a palindrome (592598895295).

The spelling of 531252643160 in words is "five hundred thirty-one billion, two hundred fifty-two million, six hundred forty-three thousand, one hundred sixty".