511213163312 has 20 divisors (see below), whose sum is σ = 990499244616. Its totient is φ = 255600455040.

The previous prime is 511213163311. The next prime is 511213163327. The reversal of 511213163312 is 213361312115.

It is a super-3 number, since 3×511213163312³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (511213163311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347723 + ... + 1069269.

Almost surely, 2^511213163312 is an apocalyptic number.

It is an amenable number.

511213163312 is a deficient number, since it is larger than the sum of its proper divisors (479286081304).

511213163312 is a wasteful number, since it uses less digits than its factorization.

511213163312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765836 (or 765830 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

Adding to 511213163312 its reverse (213361312115), we get a palindrome (724574475427).

The spelling of 511213163312 in words is "five hundred eleven billion, two hundred thirteen million, one hundred sixty-three thousand, three hundred twelve".