11717381163 has 4 divisors (see below), whose sum is σ = 15623174888. Its totient is φ = 7811587440.

The previous prime is 11717381101. The next prime is 11717381219. The reversal of 11717381163 is 36118371711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11717381163 - 2⁶ = 11717381099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11717389163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952896858 + ... + 1952896863.

It is an arithmetic number, because the mean of its divisors is an integer number (3905793722).

Almost surely, 2^11717381163 is an apocalyptic number.

11717381163 is a deficient number, since it is larger than the sum of its proper divisors (3905793725).

11717381163 is an equidigital number, since it uses as much as digits as its factorization.

11717381163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905793724.

The product of its digits is 21168, while the sum is 39.

The spelling of 11717381163 in words is "eleven billion, seven hundred seventeen million, three hundred eighty-one thousand, one hundred sixty-three".