1205305355325 has 12 divisors (see below), whose sum is σ = 1992771520928. Its totient is φ = 642829522800.

The previous prime is 1205305355251. The next prime is 1205305355329. The reversal of 1205305355325 is 5235535035021.

It is not a de Polignac number, because 1205305355325 - 2⁷ = 1205305355197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205305355329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8035368961 + ... + 8035369110.

Almost surely, 2^{1205305355325} is an apocalyptic number.

1205305355325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1205305355325 is a deficient number, since it is larger than the sum of its proper divisors (787466165603).

1205305355325 is a wasteful number, since it uses less digits than its factorization.

1205305355325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070738084 (or 16070738079 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 39.

The spelling of 1205305355325 in words is "one trillion, two hundred five billion, three hundred five million, three hundred fifty-five thousand, three hundred twenty-five".