11716721576607 has 16 divisors (see below), whose sum is σ = 16646612307552. Its totient is φ = 7304842521600.

The previous prime is 11716721576587. The next prime is 11716721576617. The reversal of 11716721576607 is 70667512761711.

It is a de Polignac number, because none of the positive numbers 2^k-11716721576607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11716721576617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731646894 + ... + 731662907.

It is an arithmetic number, because the mean of its divisors is an integer number (1040413269222).

Almost surely, 2^{11716721576607} is an apocalyptic number.

11716721576607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11716721576607 is a deficient number, since it is larger than the sum of its proper divisors (4929890730945).

11716721576607 is a wasteful number, since it uses less digits than its factorization.

11716721576607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463309978.

The product of its (nonzero) digits is 5186160, while the sum is 57.

The spelling of 11716721576607 in words is "eleven trillion, seven hundred sixteen billion, seven hundred twenty-one million, five hundred seventy-six thousand, six hundred seven".