531505053012 has 48 divisors (see below), whose sum is σ = 1248590246400. Its totient is φ = 175970604000.

The previous prime is 531505053007. The next prime is 531505053029. The reversal of 531505053012 is 210350505135.

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, 835539 + ... + 1327077.

It is an arithmetic number, because the mean of its divisors is an integer number (26012296800).

Almost surely, 2^531505053012 is an apocalyptic number.

It is an amenable number.

531505053012 is an abundant number, since it is smaller than the sum of its proper divisors (717085193388).

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

531505053012 is a wasteful number, since it uses less digits than its factorization.

531505053012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492156 (or 492154 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 531505053012 its reverse (210350505135), we get a palindrome (741855558147).

The spelling of 531505053012 in words is "five hundred thirty-one billion, five hundred five million, fifty-three thousand, twelve".