1325555200564 has 48 divisors (see below), whose sum is σ = 2709625322880. Its totient is φ = 555660236160.

The previous prime is 1325555200537. The next prime is 1325555200603. The reversal of 1325555200564 is 4650025555231.

It is a self number, because there is not a number n which added to its sum of digits gives 1325555200564.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1862107 + ... + 2473570.

It is an arithmetic number, because the mean of its divisors is an integer number (56450527560).

Almost surely, 2^{1325555200564} is an apocalyptic number.

1325555200564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1325555200564 is an abundant number, since it is smaller than the sum of its proper divisors (1384070122316).

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

1325555200564 is a wasteful number, since it uses less digits than its factorization.

1325555200564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335928 (or 4335926 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 1325555200564 in words is "one trillion, three hundred twenty-five billion, five hundred fifty-five million, two hundred thousand, five hundred sixty-four".