1325770064000 has 64 divisors (see below), whose sum is σ = 3296195861400. Its totient is φ = 530308019200.

The previous prime is 1325770063951. The next prime is 1325770064011. The reversal of 1325770064000 is 4600775231.

It can be written as a sum of positive squares in 4 ways, for example, as 855536202304 + 470233861696 = 924952^2 + 685736^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41414315 + ... + 41446314.

Almost surely, 2^{1325770064000} is an apocalyptic number.

1325770064000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325770064000 is an abundant number, since it is smaller than the sum of its proper divisors (1970425797400).

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

1325770064000 is an frugal number, since it uses more digits than its factorization.

1325770064000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82860658 (or 82860636 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 1325770064000 in words is "one trillion, three hundred twenty-five billion, seven hundred seventy million, sixty-four thousand".