531442211124 has 48 divisors (see below), whose sum is σ = 1352805511680. Its totient is φ = 161037913440.

The previous prime is 531442211087. The next prime is 531442211177. The reversal of 531442211124 is 421112244135.

It is a junction number, because it is equal to n+sod(n) for n = 531442211091 and 531442211100.

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, 6799137 + ... + 6876855.

It is an arithmetic number, because the mean of its divisors is an integer number (28183448160).

Almost surely, 2^531442211124 is an apocalyptic number.

It is an amenable number.

531442211124 is an abundant number, since it is smaller than the sum of its proper divisors (821363300556).

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

531442211124 is a wasteful number, since it uses less digits than its factorization.

531442211124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129540 (or 129538 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 531442211124 its reverse (421112244135), we get a palindrome (952554455259).

The spelling of 531442211124 in words is "five hundred thirty-one billion, four hundred forty-two million, two hundred eleven thousand, one hundred twenty-four".