11787094166791 has 4 divisors (see below), whose sum is σ = 12009492169992. Its totient is φ = 11564696163592.

The previous prime is 11787094166753. The next prime is 11787094166831. The reversal of 11787094166791 is 19766149078711.

11787094166791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11787094166791 - 2⁹ = 11787094166279 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 (11787094166291) 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, 111199001521 + ... + 111199001626.

It is an arithmetic number, because the mean of its divisors is an integer number (3002373042498).

Almost surely, 2^{11787094166791} is an apocalyptic number.

11787094166791 is a deficient number, since it is larger than the sum of its proper divisors (222398003201).

11787094166791 is an equidigital number, since it uses as much as digits as its factorization.

11787094166791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222398003200.

The product of its (nonzero) digits is 32006016, while the sum is 67.

The spelling of 11787094166791 in words is "eleven trillion, seven hundred eighty-seven billion, ninety-four million, one hundred sixty-six thousand, seven hundred ninety-one".