56400001016512 has 28 divisors (see below), whose sum is σ = 111928613273136. Its totient is φ = 28197515782400.

The previous prime is 56400001016501. The next prime is 56400001016647. The reversal of 56400001016512 is 21561010000465.

It is a super-2 number, since 2×56400001016512² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38091703 + ... + 39544630.

Almost surely, 2^{56400001016512} is an apocalyptic number.

It is an amenable number.

56400001016512 is a deficient number, since it is larger than the sum of its proper divisors (55528612256624).

56400001016512 is a wasteful number, since it uses less digits than its factorization.

56400001016512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77647696 (or 77647686 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 56400001016512 its reverse (21561010000465), we get a palindrome (77961011016977).

The spelling of 56400001016512 in words is "fifty-six trillion, four hundred billion, one million, sixteen thousand, five hundred twelve".