1305241423105 has 4 divisors (see below), whose sum is σ = 1566289707732. Its totient is φ = 1044193138480.

The previous prime is 1305241423081. The next prime is 1305241423127. The reversal of 1305241423105 is 5013241425031.

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 779858545216 + 525382877889 = 883096^2 + 724833^2 .

It is not a de Polignac number, because 1305241423105 - 2⁷ = 1305241422977 is a prime.

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, 130524142306 + ... + 130524142315.

It is an arithmetic number, because the mean of its divisors is an integer number (391572426933).

Almost surely, 2^{1305241423105} is an apocalyptic number.

It is an amenable number.

1305241423105 is a deficient number, since it is larger than the sum of its proper divisors (261048284627).

1305241423105 is an equidigital number, since it uses as much as digits as its factorization.

1305241423105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261048284626.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1305241423105 its reverse (5013241425031), we get a palindrome (6318482848136).

The spelling of 1305241423105 in words is "one trillion, three hundred five billion, two hundred forty-one million, four hundred twenty-three thousand, one hundred five".