511460065448 has 16 divisors (see below), whose sum is σ = 959319840480. Its totient is φ = 255641441328.

The previous prime is 511460065327. The next prime is 511460065477. The reversal of 511460065448 is 844560064115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 511460065399 and 511460065408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11049386 + ... + 11095577.

It is an arithmetic number, because the mean of its divisors is an integer number (59957490030).

Almost surely, 2^511460065448 is an apocalyptic number.

It is an amenable number.

511460065448 is a deficient number, since it is larger than the sum of its proper divisors (447859775032).

511460065448 is a wasteful number, since it uses less digits than its factorization.

511460065448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22147856 (or 22147852 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 511460065448 in words is "five hundred eleven billion, four hundred sixty million, sixty-five thousand, four hundred forty-eight".