11493163189 has 4 divisors (see below), whose sum is σ = 11737698624. Its totient is φ = 11248627756.

The previous prime is 11493163163. The next prime is 11493163229. The reversal of 11493163189 is 98136139411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11493163189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493163489) 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, 122267647 + ... + 122267740.

It is an arithmetic number, because the mean of its divisors is an integer number (2934424656).

Almost surely, 2^11493163189 is an apocalyptic number.

It is an amenable number.

11493163189 is a deficient number, since it is larger than the sum of its proper divisors (244535435).

11493163189 is an equidigital number, since it uses as much as digits as its factorization.

11493163189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244535434.

The product of its digits is 139968, while the sum is 46.

The spelling of 11493163189 in words is "eleven billion, four hundred ninety-three million, one hundred sixty-three thousand, one hundred eighty-nine".