11669704795891 has 4 divisors (see below), whose sum is σ = 11677584408984. Its totient is φ = 11661825182800.

The previous prime is 11669704795871. The next prime is 11669704795919. The reversal of 11669704795891 is 19859740796611.

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 11669704795891 - 2⁹ = 11669704795379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11669704795871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939804325 + ... + 3939807286.

It is an arithmetic number, because the mean of its divisors is an integer number (2919396102246).

Almost surely, 2^{11669704795891} is an apocalyptic number.

11669704795891 is a deficient number, since it is larger than the sum of its proper divisors (7879613093).

11669704795891 is an equidigital number, since it uses as much as digits as its factorization.

11669704795891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879613092.

The product of its (nonzero) digits is 205752960, while the sum is 73.

The spelling of 11669704795891 in words is "eleven trillion, six hundred sixty-nine billion, seven hundred four million, seven hundred ninety-five thousand, eight hundred ninety-one".