1305405076552 has 16 divisors (see below), whose sum is σ = 2458610461440. Its totient is φ = 649775620176.

The previous prime is 1305405076543. The next prime is 1305405076571. The reversal of 1305405076552 is 2556705045031.

It is a junction number, because it is equal to n+sod(n) for n = 1305405076499 and 1305405076508.

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, 365862868 + ... + 365866435.

It is an arithmetic number, because the mean of its divisors is an integer number (153663153840).

Almost surely, 2^{1305405076552} is an apocalyptic number.

It is an amenable number.

1305405076552 is a deficient number, since it is larger than the sum of its proper divisors (1153205384888).

1305405076552 is a wasteful number, since it uses less digits than its factorization.

1305405076552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731729532 (or 731729528 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 1305405076552 in words is "one trillion, three hundred five billion, four hundred five million, seventy-six thousand, five hundred fifty-two".