511011657052 has 36 divisors (see below), whose sum is σ = 975406000296. Its totient is φ = 232865923680.

The previous prime is 511011657017. The next prime is 511011657071. The reversal of 511011657052 is 250756110115.

It is a super-2 number, since 2×511011657052² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511011656999 and 511011657017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462774 + ... + 1111837.

Almost surely, 2^511011657052 is an apocalyptic number.

511011657052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

511011657052 is a deficient number, since it is larger than the sum of its proper divisors (464394343244).

511011657052 is a wasteful number, since it uses less digits than its factorization.

511011657052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574786 (or 1574705 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 34.

Adding to 511011657052 its reverse (250756110115), we get a palindrome (761767767167).

The spelling of 511011657052 in words is "five hundred eleven billion, eleven million, six hundred fifty-seven thousand, fifty-two".