1325413012205 has 4 divisors (see below), whose sum is σ = 1590495614652. Its totient is φ = 1060330409760.

The previous prime is 1325413012193. The next prime is 1325413012223. The reversal of 1325413012205 is 5022103145231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 955508205001 + 369904807204 = 977501^2 + 608198^2 .

It is not a de Polignac number, because 1325413012205 - 2²⁴ = 1325396234989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132541301216 + ... + 132541301225.

It is an arithmetic number, because the mean of its divisors is an integer number (397623903663).

Almost surely, 2^{1325413012205} is an apocalyptic number.

It is an amenable number.

1325413012205 is a deficient number, since it is larger than the sum of its proper divisors (265082602447).

1325413012205 is an equidigital number, since it uses as much as digits as its factorization.

1325413012205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265082602446.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1325413012205 its reverse (5022103145231), we get a palindrome (6347516157436).

The spelling of 1325413012205 in words is "one trillion, three hundred twenty-five billion, four hundred thirteen million, twelve thousand, two hundred five".