1320464056552 has 64 divisors (see below), whose sum is σ = 2521067028480. Its totient is φ = 648294155712.

The previous prime is 1320464056489. The next prime is 1320464056621. The reversal of 1320464056552 is 2556504640231.

It is a junction number, because it is equal to n+sod(n) for n = 1320464056499 and 1320464056508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280768233 + ... + 280772935.

It is an arithmetic number, because the mean of its divisors is an integer number (39391672320).

Almost surely, 2^{1320464056552} is an apocalyptic number.

It is an amenable number.

1320464056552 is a deficient number, since it is larger than the sum of its proper divisors (1200602971928).

1320464056552 is a wasteful number, since it uses less digits than its factorization.

1320464056552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622 (or 7618 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 1320464056552 its reverse (2556504640231), we get a palindrome (3876968696783).

The spelling of 1320464056552 in words is "one trillion, three hundred twenty billion, four hundred sixty-four million, fifty-six thousand, five hundred fifty-two".