531521411043 has 16 divisors (see below), whose sum is σ = 810297272576. Its totient is φ = 303591564000.

The previous prime is 531521411023. The next prime is 531521411077. The reversal of 531521411043 is 340114125135.

It is not a de Polignac number, because 531521411043 - 2⁵ = 531521411011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531521411043.

It is not an unprimeable number, because it can be changed into a prime (531521411023) 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, 5574796 + ... + 5669337.

It is an arithmetic number, because the mean of its divisors is an integer number (50643579536).

Almost surely, 2^531521411043 is an apocalyptic number.

531521411043 is a deficient number, since it is larger than the sum of its proper divisors (278775861533).

531521411043 is a wasteful number, since it uses less digits than its factorization.

531521411043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246394.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 531521411043 its reverse (340114125135), we get a palindrome (871635536178).

The spelling of 531521411043 in words is "five hundred thirty-one billion, five hundred twenty-one million, four hundred eleven thousand, forty-three".