11812064377679 has 4 divisors (see below), whose sum is σ = 11817735077976. Its totient is φ = 11806393677384.

The previous prime is 11812064377669. The next prime is 11812064377703. The reversal of 11812064377679 is 97677346021811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11812064377679 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 (11812064377669) 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, 2835347024 + ... + 2835351189.

It is an arithmetic number, because the mean of its divisors is an integer number (2954433769494).

Almost surely, 2^{11812064377679} is an apocalyptic number.

11812064377679 is a deficient number, since it is larger than the sum of its proper divisors (5670700297).

11812064377679 is an equidigital number, since it uses as much as digits as its factorization.

11812064377679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670700296.

The product of its (nonzero) digits is 21337344, while the sum is 62.

The spelling of 11812064377679 in words is "eleven trillion, eight hundred twelve billion, sixty-four million, three hundred seventy-seven thousand, six hundred seventy-nine".