1565385896328 has 32 divisors (see below), whose sum is σ = 3937473736800. Its totient is φ = 518594099328.

The previous prime is 1565385896311. The next prime is 1565385896357. The reversal of 1565385896328 is 8236985835651.

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, 200070973 + ... + 200078796.

It is an arithmetic number, because the mean of its divisors is an integer number (123046054275).

Almost surely, 2^{1565385896328} is an apocalyptic number.

It is an amenable number.

1565385896328 is an abundant number, since it is smaller than the sum of its proper divisors (2372087840472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1565385896328 is a wasteful number, since it uses less digits than its factorization.

1565385896328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400149941 (or 400149937 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 69.

The spelling of 1565385896328 in words is "one trillion, five hundred sixty-five billion, three hundred eighty-five million, eight hundred ninety-six thousand, three hundred twenty-eight".