11686706276865 has 16 divisors (see below), whose sum is σ = 18699079817088. Its totient is φ = 6232793422976.

The previous prime is 11686706276849. The next prime is 11686706276879. The reversal of 11686706276865 is 56867260768611.

It is a cyclic number.

It is not a de Polignac number, because 11686706276865 - 2⁴ = 11686706276849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11686706276865.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6455277 + ... + 8064986.

It is an arithmetic number, because the mean of its divisors is an integer number (1168692488568).

Almost surely, 2^{11686706276865} is an apocalyptic number.

11686706276865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11686706276865 is a deficient number, since it is larger than the sum of its proper divisors (7012373540223).

11686706276865 is a wasteful number, since it uses less digits than its factorization.

11686706276865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573928.

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 11686706276865 in words is "eleven trillion, six hundred eighty-six billion, seven hundred six million, two hundred seventy-six thousand, eight hundred sixty-five".