11965627770799 has 4 divisors (see below), whose sum is σ = 11966806544400. Its totient is φ = 11964448997200.

The previous prime is 11965627770793. The next prime is 11965627770823. The reversal of 11965627770799 is 99707772656911.

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 11965627770799 - 2⁹ = 11965627770287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11965627770793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589371574 + ... + 589391875.

It is an arithmetic number, because the mean of its divisors is an integer number (2991701636100).

Almost surely, 2^{11965627770799} is an apocalyptic number.

11965627770799 is a deficient number, since it is larger than the sum of its proper divisors (1178773601).

11965627770799 is a wasteful number, since it uses less digits than its factorization.

11965627770799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178773600.

The product of its (nonzero) digits is 630118440, while the sum is 76.

The spelling of 11965627770799 in words is "eleven trillion, nine hundred sixty-five billion, six hundred twenty-seven million, seven hundred seventy thousand, seven hundred ninety-nine".