511128412 has 6 divisors (see below), whose sum is σ = 894474728. Its totient is φ = 255564204.

The previous prime is 511128349. The next prime is 511128413. The reversal of 511128412 is 214821115.

It is a super-2 number, since 2×511128412² = 522504507107283488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511128413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63891048 + ... + 63891055.

Almost surely, 2^511128412 is an apocalyptic number.

It is an amenable number.

511128412 is a deficient number, since it is larger than the sum of its proper divisors (383346316).

511128412 is a wasteful number, since it uses less digits than its factorization.

511128412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127782107 (or 127782105 counting only the distinct ones).

The product of its digits is 640, while the sum is 25.

The square root of 511128412 is about 22608.1492387148. The cubic root of 511128412 is about 799.5457900822.

Adding to 511128412 its reverse (214821115), we get a palindrome (725949527).

The spelling of 511128412 in words is "five hundred eleven million, one hundred twenty-eight thousand, four hundred twelve".