1325154665225 has 24 divisors (see below), whose sum is σ = 1739960206848. Its totient is φ = 997700384000.

The previous prime is 1325154665207. The next prime is 1325154665249. The reversal of 1325154665225 is 5225664515231.

It is not a de Polignac number, because 1325154665225 - 2¹⁰ = 1325154664201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325154665225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7274000 + ... + 7453950.

It is an arithmetic number, because the mean of its divisors is an integer number (72498341952).

Almost surely, 2^{1325154665225} is an apocalyptic number.

It is an amenable number.

1325154665225 is a deficient number, since it is larger than the sum of its proper divisors (414805541623).

1325154665225 is a wasteful number, since it uses less digits than its factorization.

1325154665225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197305 (or 197300 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 47.

The spelling of 1325154665225 in words is "one trillion, three hundred twenty-five billion, one hundred fifty-four million, six hundred sixty-five thousand, two hundred twenty-five".