531541330411 has 128 divisors (see below), whose sum is σ = 725214228480. Its totient is φ = 377726976000.

The previous prime is 531541330379. The next prime is 531541330429. The reversal of 531541330411 is 114033145135.

It is a cyclic number.

It is not a de Polignac number, because 531541330411 - 2⁵ = 531541330379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531541330451) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 769234576 + ... + 769235266.

It is an arithmetic number, because the mean of its divisors is an integer number (5665736160).

Almost surely, 2^531541330411 is an apocalyptic number.

531541330411 is a deficient number, since it is larger than the sum of its proper divisors (193672898069).

531541330411 is a wasteful number, since it uses less digits than its factorization.

531541330411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 531541330411 its reverse (114033145135), we get a palindrome (645574475546).

The spelling of 531541330411 in words is "five hundred thirty-one billion, five hundred forty-one million, three hundred thirty thousand, four hundred eleven".