513531324011441 has 4 divisors (see below), whose sum is σ = 513579592780800. Its totient is φ = 513483055242084.

The previous prime is 513531324011429. The next prime is 513531324011443. The reversal of 513531324011441 is 144110423135315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513531324011441 - 2¹⁰ = 513531324010417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513531324011395 and 513531324011404.

It is not an unprimeable number, because it can be changed into a prime (513531324011443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24134368721 + ... + 24134389998.

It is an arithmetic number, because the mean of its divisors is an integer number (128394898195200).

Almost surely, 2^{513531324011441} is an apocalyptic number.

It is an amenable number.

513531324011441 is a deficient number, since it is larger than the sum of its proper divisors (48268769359).

513531324011441 is a wasteful number, since it uses less digits than its factorization.

513531324011441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48268769358.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 513531324011441 its reverse (144110423135315), we get a palindrome (657641747146756).

The spelling of 513531324011441 in words is "five hundred thirteen trillion, five hundred thirty-one billion, three hundred twenty-four million, eleven thousand, four hundred forty-one".