511045215412 has 12 divisors (see below), whose sum is σ = 896366326240. Its totient is φ = 254940550776.

The previous prime is 511045215361. The next prime is 511045215427. The reversal of 511045215412 is 214512540115.

It is a super-2 number, since 2×511045215412² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145512258 + ... + 145515769.

Almost surely, 2^511045215412 is an apocalyptic number.

It is an amenable number.

511045215412 is a deficient number, since it is larger than the sum of its proper divisors (385321110828).

511045215412 is a wasteful number, since it uses less digits than its factorization.

511045215412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291028470 (or 291028468 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 511045215412 its reverse (214512540115), we get a palindrome (725557755527).

The spelling of 511045215412 in words is "five hundred eleven billion, forty-five million, two hundred fifteen thousand, four hundred twelve".