1325315040225 has 24 divisors (see below), whose sum is σ = 2390386401312. Its totient is φ = 642576988800.

The previous prime is 1325315040193. The next prime is 1325315040227. The reversal of 1325315040225 is 5220405135231.

It is not a de Polignac number, because 1325315040225 - 2⁵ = 1325315040193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1325315040227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 803220412 + ... + 803222061.

It is an arithmetic number, because the mean of its divisors is an integer number (99599433388).

Almost surely, 2^{1325315040225} is an apocalyptic number.

1325315040225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325315040225 is a deficient number, since it is larger than the sum of its proper divisors (1065071361087).

1325315040225 is a wasteful number, since it uses less digits than its factorization.

1325315040225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606442497 (or 1606442492 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 1325315040225 in words is "one trillion, three hundred twenty-five billion, three hundred fifteen million, forty thousand, two hundred twenty-five".