531011679853 has 16 divisors (see below), whose sum is σ = 534404456640. Its totient is φ = 527633568000.

The previous prime is 531011679811. The next prime is 531011679859. The reversal of 531011679853 is 358976110135.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531011679853 is a prime.

It is a super-2 number, since 2×531011679853² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531011679797 and 531011679806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531011679859) 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, 121873351 + ... + 121877707.

It is an arithmetic number, because the mean of its divisors is an integer number (33400278540).

Almost surely, 2^531011679853 is an apocalyptic number.

It is an amenable number.

531011679853 is a deficient number, since it is larger than the sum of its proper divisors (3392776787).

531011679853 is a wasteful number, since it uses less digits than its factorization.

531011679853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868.

The product of its (nonzero) digits is 680400, while the sum is 49.

Adding to 531011679853 its reverse (358976110135), we get a palindrome (889987789988).

The spelling of 531011679853 in words is "five hundred thirty-one billion, eleven million, six hundred seventy-nine thousand, eight hundred fifty-three".