1305661454113 has 16 divisors (see below), whose sum is σ = 1385266337280. Its totient is φ = 1228864982400.

The previous prime is 1305661454093. The next prime is 1305661454129. The reversal of 1305661454113 is 3114541665031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1305661454113 - 2¹⁷ = 1305661323041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305661454173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3710695 + ... + 4047292.

It is an arithmetic number, because the mean of its divisors is an integer number (86579146080).

Almost surely, 2^{1305661454113} is an apocalyptic number.

It is an amenable number.

1305661454113 is a deficient number, since it is larger than the sum of its proper divisors (79604883167).

1305661454113 is an equidigital number, since it uses as much as digits as its factorization.

1305661454113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758168.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1305661454113 in words is "one trillion, three hundred five billion, six hundred sixty-one million, four hundred fifty-four thousand, one hundred thirteen".