1306320005051 has 4 divisors (see below), whose sum is σ = 1317880359192. Its totient is φ = 1294759650912.

The previous prime is 1306320005041. The next prime is 1306320005083. The reversal of 1306320005051 is 1505000236031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1306320005051 - 2¹⁴ = 1306319988667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1306320005051.

It is not an unprimeable number, because it can be changed into a prime (1306320005041) 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 3 ways as a sum of consecutive naturals, for example, 5780176901 + ... + 5780177126.

It is an arithmetic number, because the mean of its divisors is an integer number (329470089798).

Almost surely, 2^{1306320005051} is an apocalyptic number.

1306320005051 is a deficient number, since it is larger than the sum of its proper divisors (11560354141).

1306320005051 is a wasteful number, since it uses less digits than its factorization.

1306320005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11560354140.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 1306320005051 in words is "one trillion, three hundred six billion, three hundred twenty million, five thousand, fifty-one".