1329087553544 has 32 divisors (see below), whose sum is σ = 2507679696000. Its totient is φ = 660380470272.

The previous prime is 1329087553537. The next prime is 1329087553561. The reversal of 1329087553544 is 4453557809231.

It is a self number, because there is not a number n which added to its sum of digits gives 1329087553544.

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 7 ways as a sum of consecutive naturals, for example, 950597 + ... + 1887275.

It is an arithmetic number, because the mean of its divisors is an integer number (78364990500).

Almost surely, 2^{1329087553544} is an apocalyptic number.

It is an amenable number.

1329087553544 is a deficient number, since it is larger than the sum of its proper divisors (1178592142456).

1329087553544 is a wasteful number, since it uses less digits than its factorization.

1329087553544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937797 (or 937793 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 1329087553544 in words is "one trillion, three hundred twenty-nine billion, eighty-seven million, five hundred fifty-three thousand, five hundred forty-four".