11011200989 has 4 divisors (see below), whose sum is σ = 11150583360. Its totient is φ = 10871818620.

The previous prime is 11011200979. The next prime is 11011201013. The reversal of 11011200989 is 98900211011.

11011200989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 11011200989 - 2²⁴ = 10994423773 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 (11011200919) 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 3 ways as a sum of consecutive naturals, for example, 69691067 + ... + 69691224.

It is an arithmetic number, because the mean of its divisors is an integer number (2787645840).

Almost surely, 2^11011200989 is an apocalyptic number.

It is an amenable number.

11011200989 is a deficient number, since it is larger than the sum of its proper divisors (139382371).

11011200989 is an equidigital number, since it uses as much as digits as its factorization.

11011200989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139382370.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 11011200989 in words is "eleven billion, eleven million, two hundred thousand, nine hundred eighty-nine".