1325744793945 has 192 divisors, whose sum is σ = 2879909222400. Its totient is φ = 574197465600.

The previous prime is 1325744793941. The next prime is 1325744793959. The reversal of 1325744793945 is 5493974475231.

1325744793945 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 74 + 479 + 3 + 94 + 5 = 666.

It is not a de Polignac number, because 1325744793945 - 2² = 1325744793941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325744793941) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6482311 + ... + 6683699.

It is an arithmetic number, because the mean of its divisors is an integer number (14999527200).

Almost surely, 2^{1325744793945} is an apocalyptic number.

1325744793945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325744793945 is an abundant number, since it is smaller than the sum of its proper divisors (1554164428455).

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

1325744793945 is a wasteful number, since it uses less digits than its factorization.

1325744793945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201469 (or 201452 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 1325744793945 in words is "one trillion, three hundred twenty-five billion, seven hundred forty-four million, seven hundred ninety-three thousand, nine hundred forty-five".