11777065894687 has 2 divisors, whose sum is σ = 11777065894688. Its totient is φ = 11777065894686.

The previous prime is 11777065894679. The next prime is 11777065894729. The reversal of 11777065894687 is 78649856077711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11777065894687 - 2³ = 11777065894679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11777065894787) 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 as a sum of consecutive naturals, namely, 5888532947343 + 5888532947344.

It is an arithmetic number, because the mean of its divisors is an integer number (5888532947344).

Almost surely, 2^{11777065894687} is an apocalyptic number.

11777065894687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11777065894687 is an equidigital number, since it uses as much as digits as its factorization.

11777065894687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995742720, while the sum is 76.

The spelling of 11777065894687 in words is "eleven trillion, seven hundred seventy-seven billion, sixty-five million, eight hundred ninety-four thousand, six hundred eighty-seven".