89801121189 has 12 divisors (see below), whose sum is σ = 129653690496. Its totient is φ = 55262228112.

The previous prime is 89801121169. The next prime is 89801121197. The reversal of 89801121189 is 98112110898.

It is a happy number.

It is not a de Polignac number, because 89801121189 - 2⁹ = 89801120677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89801121149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88560757 + ... + 88561770.

It is an arithmetic number, because the mean of its divisors is an integer number (10804474208).

Almost surely, 2^89801121189 is an apocalyptic number.

It is an amenable number.

89801121189 is a deficient number, since it is larger than the sum of its proper divisors (39852569307).

89801121189 is a wasteful number, since it uses less digits than its factorization.

89801121189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177122556 (or 177122543 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 48.

The spelling of 89801121189 in words is "eighty-nine billion, eight hundred one million, one hundred twenty-one thousand, one hundred eighty-nine".