1325505204355 has 4 divisors (see below), whose sum is σ = 1590606245232. Its totient is φ = 1060404163480.

The previous prime is 1325505204337. The next prime is 1325505204383. The reversal of 1325505204355 is 5534025055231.

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

It is not a de Polignac number, because 1325505204355 - 2⁵ = 1325505204323 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 132550520431 + ... + 132550520440.

It is an arithmetic number, because the mean of its divisors is an integer number (397651561308).

Almost surely, 2^{1325505204355} is an apocalyptic number.

1325505204355 is a deficient number, since it is larger than the sum of its proper divisors (265101040877).

1325505204355 is an equidigital number, since it uses as much as digits as its factorization.

1325505204355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265101040876.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 1325505204355 in words is "one trillion, three hundred twenty-five billion, five hundred five million, two hundred four thousand, three hundred fifty-five".