511041052531 has 6 divisors (see below), whose sum is σ = 534226280420. Its totient is φ = 488821875828.

The previous prime is 511041052517. The next prime is 511041052537. The reversal of 511041052531 is 135250140115.

It is not a de Polignac number, because 511041052531 - 2⁹ = 511041052019 is a prime.

It is a super-2 number, since 2×511041052531² (a number of 24 digits) contains 22 as substring.

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 511041052531.

It is not an unprimeable number, because it can be changed into a prime (511041052537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 483025041 + ... + 483026098.

Almost surely, 2^511041052531 is an apocalyptic number.

511041052531 is a deficient number, since it is larger than the sum of its proper divisors (23185227889).

511041052531 is an equidigital number, since it uses as much as digits as its factorization.

511041052531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966051185 (or 966051162 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 511041052531 its reverse (135250140115), we get a palindrome (646291192646).

The spelling of 511041052531 in words is "five hundred eleven billion, forty-one million, fifty-two thousand, five hundred thirty-one".