531241153152 has 128 divisors (see below), whose sum is σ = 1484114296320. Its totient is φ = 168134553600.

The previous prime is 531241153087. The next prime is 531241153171. The reversal of 531241153152 is 251351142135.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209902 + ... + 1051922.

It is an arithmetic number, because the mean of its divisors is an integer number (11594642940).

Almost surely, 2^531241153152 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 531241153152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742057148160).

531241153152 is an abundant number, since it is smaller than the sum of its proper divisors (952873143168).

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

531241153152 is a wasteful number, since it uses less digits than its factorization.

531241153152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842122 (or 842110 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

Adding to 531241153152 its reverse (251351142135), we get a palindrome (782592295287).

The spelling of 531241153152 in words is "five hundred thirty-one billion, two hundred forty-one million, one hundred fifty-three thousand, one hundred fifty-two".