11720507216163 has 8 divisors (see below), whose sum is σ = 16166216850000. Its totient is φ = 7544234529888.

The previous prime is 11720507216129. The next prime is 11720507216177. The reversal of 11720507216163 is 36161270502711.

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

It is not a de Polignac number, because 11720507216163 - 2¹⁰ = 11720507215139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11720507216113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67359236788 + ... + 67359236961.

It is an arithmetic number, because the mean of its divisors is an integer number (2020777106250).

Almost surely, 2^{11720507216163} is an apocalyptic number.

11720507216163 is a deficient number, since it is larger than the sum of its proper divisors (4445709633837).

11720507216163 is a wasteful number, since it uses less digits than its factorization.

11720507216163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134718473781.

The product of its (nonzero) digits is 105840, while the sum is 42.

Adding to 11720507216163 its reverse (36161270502711), we get a palindrome (47881777718874).

The spelling of 11720507216163 in words is "eleven trillion, seven hundred twenty billion, five hundred seven million, two hundred sixteen thousand, one hundred sixty-three".