511033313412 has 30 divisors (see below), whose sum is σ = 1335942026958. Its totient is φ = 170344437696.

The previous prime is 511033313393. The next prime is 511033313443. The reversal of 511033313412 is 214313330115.

511033313412 is a `hidden beast` number, since 511 + 0 + 3 + 3 + 3 + 134 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307998360576 + 203034952836 = 554976^2 + 450594^2 .

It is a super-2 number, since 2×511033313412² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 788631333 + ... + 788631980.

Almost surely, 2^511033313412 is an apocalyptic number.

It is an amenable number.

511033313412 is an abundant number, since it is smaller than the sum of its proper divisors (824908713546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511033313412 is a wasteful number, since it uses less digits than its factorization.

511033313412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577263329 (or 1577263318 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 511033313412 its reverse (214313330115), we get a palindrome (725346643527).

The spelling of 511033313412 in words is "five hundred eleven billion, thirty-three million, three hundred thirteen thousand, four hundred twelve".