511354434452 has 12 divisors (see below), whose sum is σ = 899111353056. Its totient is φ = 254465476440.

The previous prime is 511354434449. The next prime is 511354434463. The reversal of 511354434452 is 254434453115.

It is a super-2 number, since 2×511354434452² (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, 302934248 + ... + 302935935.

It is an arithmetic number, because the mean of its divisors is an integer number (74925946088).

Almost surely, 2^511354434452 is an apocalyptic number.

It is an amenable number.

511354434452 is a deficient number, since it is larger than the sum of its proper divisors (387756918604).

511354434452 is a wasteful number, since it uses less digits than its factorization.

511354434452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605870398 (or 605870396 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

Adding to 511354434452 its reverse (254434453115), we get a palindrome (765788887567).

The spelling of 511354434452 in words is "five hundred eleven billion, three hundred fifty-four million, four hundred thirty-four thousand, four hundred fifty-two".