531260338512 has 160 divisors (see below), whose sum is σ = 1480706478720. Its totient is φ = 163584368640.

The previous prime is 531260338507. The next prime is 531260338517. The reversal of 531260338512 is 215833062135.

It is an interprime number because it is at equal distance from previous prime (531260338507) and next prime (531260338517).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531260338517) 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, 106826458 + ... + 106831430.

It is an arithmetic number, because the mean of its divisors is an integer number (9254415492).

Almost surely, 2^531260338512 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 531260338512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740353239360).

531260338512 is an abundant number, since it is smaller than the sum of its proper divisors (949446140208).

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

531260338512 is a wasteful number, since it uses less digits than its factorization.

531260338512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 531260338512 in words is "five hundred thirty-one billion, two hundred sixty million, three hundred thirty-eight thousand, five hundred twelve".