531541322011 has 8 divisors (see below), whose sum is σ = 607483526624. Its totient is φ = 455601049920.

The previous prime is 531541322009. The next prime is 531541322051. The reversal of 531541322011 is 110223145135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531541322011 - 2¹ = 531541322009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531541322051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164071 + ... + 1044031.

It is an arithmetic number, because the mean of its divisors is an integer number (75935440828).

Almost surely, 2^531541322011 is an apocalyptic number.

531541322011 is a deficient number, since it is larger than the sum of its proper divisors (75942204613).

531541322011 is an equidigital number, since it uses as much as digits as its factorization.

531541322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966261.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 531541322011 its reverse (110223145135), we get a palindrome (641764467146).

The spelling of 531541322011 in words is "five hundred thirty-one billion, five hundred forty-one million, three hundred twenty-two thousand, eleven".