511011516652 has 24 divisors (see below), whose sum is σ = 1100640190496. Its totient is φ = 202158402048.

The previous prime is 511011516611. The next prime is 511011516661. The reversal of 511011516652 is 256615110115.

It is a super-2 number, since 2×511011516652² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 701938533 + ... + 701939260.

Almost surely, 2^511011516652 is an apocalyptic number.

511011516652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

511011516652 is an abundant number, since it is smaller than the sum of its proper divisors (589628673844).

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

511011516652 is a wasteful number, since it uses less digits than its factorization.

511011516652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403877817 (or 1403877815 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

Adding to 511011516652 its reverse (256615110115), we get a palindrome (767626626767).

The spelling of 511011516652 in words is "five hundred eleven billion, eleven million, five hundred sixteen thousand, six hundred fifty-two".