1305445245351 has 12 divisors (see below), whose sum is σ = 1884784852008. Its totient is φ = 803350919904.

The previous prime is 1305445245317. The next prime is 1305445245359. The reversal of 1305445245351 is 1535425445031.

It is not a de Polignac number, because 1305445245351 - 2¹¹ = 1305445243303 is a prime.

It is a super-2 number, since 2×1305445245351² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305445245359) 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 11 ways as a sum of consecutive naturals, for example, 1287420840 + ... + 1287421853.

It is an arithmetic number, because the mean of its divisors is an integer number (157065404334).

Almost surely, 2^{1305445245351} is an apocalyptic number.

1305445245351 is a deficient number, since it is larger than the sum of its proper divisors (579339606657).

1305445245351 is a wasteful number, since it uses less digits than its factorization.

1305445245351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574842722 (or 2574842709 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 1305445245351 in words is "one trillion, three hundred five billion, four hundred forty-five million, two hundred forty-five thousand, three hundred fifty-one".