531245204312052 has 48 divisors (see below), whose sum is σ = 1299335973388992. Its totient is φ = 168744931595520.

The previous prime is 531245204312023. The next prime is 531245204312107. The reversal of 531245204312052 is 250213402542135.

It is a self number, because there is not a number n which added to its sum of digits gives 531245204312052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12555405303 + ... + 12555447614.

It is an arithmetic number, because the mean of its divisors is an integer number (27069499445604).

Almost surely, 2^{531245204312052} is an apocalyptic number.

It is an amenable number.

531245204312052 is an abundant number, since it is smaller than the sum of its proper divisors (768090769076940).

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

531245204312052 is a wasteful number, since it uses less digits than its factorization.

531245204312052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110853008 (or 25110853006 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 531245204312052 its reverse (250213402542135), we get a palindrome (781458606854187).

The spelling of 531245204312052 in words is "five hundred thirty-one trillion, two hundred forty-five billion, two hundred four million, three hundred twelve thousand, fifty-two".