1305445245611 has 8 divisors (see below), whose sum is σ = 1405938528960. Its totient is φ = 1204962593472.

The previous prime is 1305445245589. The next prime is 1305445245641. The reversal of 1305445245611 is 1165425445031.

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

It is a cyclic number.

It is not a de Polignac number, because 1305445245611 - 2⁶ = 1305445245547 is a prime.

It is a super-2 number, since 2×1305445245611² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305445245641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401850 + ... + 2894783.

It is an arithmetic number, because the mean of its divisors is an integer number (175742316120).

Almost surely, 2^{1305445245611} is an apocalyptic number.

1305445245611 is a deficient number, since it is larger than the sum of its proper divisors (100493283349).

1305445245611 is a wasteful number, since it uses less digits than its factorization.

1305445245611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315605.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1305445245611 in words is "one trillion, three hundred five billion, four hundred forty-five million, two hundred forty-five thousand, six hundred eleven".