1305425323305 has 12 divisors (see below), whose sum is σ = 2262737227140. Its totient is φ = 696226839072.

The previous prime is 1305425323291. The next prime is 1305425323337. The reversal of 1305425323305 is 5033235245031.

1305425323305 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 4 + 25 + 323 + 305 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 812469679641 + 492955643664 = 901371^2 + 702108^2 .

It is not a de Polignac number, because 1305425323305 - 2¹¹ = 1305425321257 is a prime.

It is a super-2 number, since 2×1305425323305² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1305425323305.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14504725770 + ... + 14504725859.

It is an arithmetic number, because the mean of its divisors is an integer number (188561435595).

Almost surely, 2^{1305425323305} is an apocalyptic number.

1305425323305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1305425323305 is a deficient number, since it is larger than the sum of its proper divisors (957311903835).

1305425323305 is a wasteful number, since it uses less digits than its factorization.

1305425323305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29009451640 (or 29009451637 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 1305425323305 in words is "one trillion, three hundred five billion, four hundred twenty-five million, three hundred twenty-three thousand, three hundred five".