1306055665011 has 4 divisors (see below), whose sum is σ = 1741407553352. Its totient is φ = 870703776672.

The previous prime is 1306055665007. The next prime is 1306055665021. The reversal of 1306055665011 is 1105665506031.

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

It is not a de Polignac number, because 1306055665011 - 2² = 1306055665007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306055665021) 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, 217675944166 + ... + 217675944171.

It is an arithmetic number, because the mean of its divisors is an integer number (435351888338).

Almost surely, 2^{1306055665011} is an apocalyptic number.

1306055665011 is a deficient number, since it is larger than the sum of its proper divisors (435351888341).

1306055665011 is an equidigital number, since it uses as much as digits as its factorization.

1306055665011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435351888340.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 1306055665011 in words is "one trillion, three hundred six billion, fifty-five million, six hundred sixty-five thousand, eleven".