1305355120445 has 8 divisors (see below), whose sum is σ = 1566656847360. Its totient is φ = 1044130294480.

The previous prime is 1305355120439. The next prime is 1305355120453. The reversal of 1305355120445 is 5440215535031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1305355120445 - 2¹² = 1305355116349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1305355120399 and 1305355120408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19187885 + ... + 19255794.

It is an arithmetic number, because the mean of its divisors is an integer number (195832105920).

Almost surely, 2^{1305355120445} is an apocalyptic number.

It is an amenable number.

1305355120445 is a deficient number, since it is larger than the sum of its proper divisors (261301726915).

1305355120445 is an equidigital number, since it uses as much as digits as its factorization.

1305355120445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38450475.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 1305355120445 in words is "one trillion, three hundred five billion, three hundred fifty-five million, one hundred twenty thousand, four hundred forty-five".