11172244689 has 12 divisors (see below), whose sum is σ = 16364979072. Its totient is φ = 7343259000.

The previous prime is 11172244673. The next prime is 11172244703. The reversal of 11172244689 is 98644227111.

11172244689 is a `hidden beast` number, since 11 + 172 + 2 + 4 + 468 + 9 = 666.

It is not a de Polignac number, because 11172244689 - 2⁴ = 11172244673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11172244639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8741337 + ... + 8742614.

It is an arithmetic number, because the mean of its divisors is an integer number (1363748256).

Almost surely, 2^11172244689 is an apocalyptic number.

It is an amenable number.

11172244689 is a deficient number, since it is larger than the sum of its proper divisors (5192734383).

11172244689 is a wasteful number, since it uses less digits than its factorization.

11172244689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17484028 (or 17484025 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 11172244689 in words is "eleven billion, one hundred seventy-two million, two hundred forty-four thousand, six hundred eighty-nine".