11716687465729 has 8 divisors (see below), whose sum is σ = 11723534320680. Its totient is φ = 11709842593536.

The previous prime is 11716687465727. The next prime is 11716687465741. The reversal of 11716687465729 is 92756478661711.

It can be written as a sum of positive squares in 4 ways, for example, as 8205474830400 + 3511212635329 = 2864520^2 + 1873823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11716687465729 - 2¹ = 11716687465727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11716687465727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11409699 + ... + 12394135.

It is an arithmetic number, because the mean of its divisors is an integer number (1465441790085).

Almost surely, 2^{11716687465729} is an apocalyptic number.

It is an amenable number.

11716687465729 is a deficient number, since it is larger than the sum of its proper divisors (6846854951).

11716687465729 is an equidigital number, since it uses as much as digits as its factorization.

11716687465729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991379.

The product of its digits is 213373440, while the sum is 70.

The spelling of 11716687465729 in words is "eleven trillion, seven hundred sixteen billion, six hundred eighty-seven million, four hundred sixty-five thousand, seven hundred twenty-nine".