531052515211 has 16 divisors (see below), whose sum is σ = 548435331360. Its totient is φ = 513897675520.

The previous prime is 531052515209. The next prime is 531052515221. The reversal of 531052515211 is 112515250135.

It is a cyclic number.

It is not a de Polignac number, because 531052515211 - 2¹ = 531052515209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531052515221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397525 + ... + 2609641.

It is an arithmetic number, because the mean of its divisors is an integer number (34277208210).

Almost surely, 2^531052515211 is an apocalyptic number.

531052515211 is a deficient number, since it is larger than the sum of its proper divisors (17382816149).

531052515211 is a wasteful number, since it uses less digits than its factorization.

531052515211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212654.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 531052515211 its reverse (112515250135), we get a palindrome (643567765346).

The spelling of 531052515211 in words is "five hundred thirty-one billion, fifty-two million, five hundred fifteen thousand, two hundred eleven".