1304505314505 has 12 divisors (see below), whose sum is σ = 2261142545220. Its totient is φ = 695736167712.

The previous prime is 1304505314449. The next prime is 1304505314521. The reversal of 1304505314505 is 5054135054031.

1304505314505 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 505 + 3 + 145 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 247194912969 + 1057310401536 = 497187^2 + 1028256^2 .

It is not a de Polignac number, because 1304505314505 - 2¹⁰ = 1304505313481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304505314505.

It is an unprimeable number.

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, 14494503450 + ... + 14494503539.

It is an arithmetic number, because the mean of its divisors is an integer number (188428545435).

Almost surely, 2^{1304505314505} is an apocalyptic number.

1304505314505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304505314505 is a deficient number, since it is larger than the sum of its proper divisors (956637230715).

1304505314505 is a wasteful number, since it uses less digits than its factorization.

1304505314505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28989007000 (or 28989006997 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 1304505314505 in words is "one trillion, three hundred four billion, five hundred five million, three hundred fourteen thousand, five hundred five".