11201009999989 has 2 divisors, whose sum is σ = 11201009999990. Its totient is φ = 11201009999988.

The previous prime is 11201009999987. The next prime is 11201010000001. The reversal of 11201009999989 is 98999990010211.

11201009999989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9335573043889 + 1865436956100 = 3055417^2 + 1365810^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201009999989 - 2¹ = 11201009999987 is a prime.

Together with 11201009999987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201009999983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600504999994 + 5600504999995.

It is an arithmetic number, because the mean of its divisors is an integer number (5600504999995).

Almost surely, 2^{11201009999989} is an apocalyptic number.

It is an amenable number.

11201009999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201009999989 is an equidigital number, since it uses as much as digits as its factorization.

11201009999989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8503056, while the sum is 67.

The spelling of 11201009999989 in words is "eleven trillion, two hundred one billion, nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".