11954247189 has 8 divisors (see below), whose sum is σ = 15943079040. Its totient is φ = 7967456736.

The previous prime is 11954247163. The next prime is 11954247199. The reversal of 11954247189 is 98174245911.

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

It is not a de Polignac number, because 11954247189 - 2⁸ = 11954246933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11954247199) 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, 496632 + ... + 520145.

It is an arithmetic number, because the mean of its divisors is an integer number (1992884880).

Almost surely, 2^11954247189 is an apocalyptic number.

It is an amenable number.

11954247189 is a deficient number, since it is larger than the sum of its proper divisors (3988831851).

11954247189 is a wasteful number, since it uses less digits than its factorization.

11954247189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020699.

The product of its digits is 725760, while the sum is 51.

The spelling of 11954247189 in words is "eleven billion, nine hundred fifty-four million, two hundred forty-seven thousand, one hundred eighty-nine".