11164321163 has 4 divisors (see below), whose sum is σ = 11164539168. Its totient is φ = 11164103160.

The previous prime is 11164321099. The next prime is 11164321171. The reversal of 11164321163 is 36112346111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36112346111 = 149 ⋅242364739.

It is a cyclic number.

It is not a de Polignac number, because 11164321163 - 2⁶ = 11164321099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11164321193) 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, 14333 + ... + 150113.

It is an arithmetic number, because the mean of its divisors is an integer number (2791134792).

Almost surely, 2^11164321163 is an apocalyptic number.

11164321163 is a deficient number, since it is larger than the sum of its proper divisors (218005).

11164321163 is an equidigital number, since it uses as much as digits as its factorization.

11164321163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218004.

The product of its digits is 2592, while the sum is 29.

Adding to 11164321163 its reverse (36112346111), we get a palindrome (47276667274).

The spelling of 11164321163 in words is "eleven billion, one hundred sixty-four million, three hundred twenty-one thousand, one hundred sixty-three".