11161789 has 2 divisors, whose sum is σ = 11161790. Its totient is φ = 11161788.

The previous prime is 11161783. The next prime is 11161807. The reversal of 11161789 is 98716111.

11161789 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., 11108889 + 52900 = 3333^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 11161789 - 2¹⁵ = 11129021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11161783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580894 + 5580895.

It is an arithmetic number, because the mean of its divisors is an integer number (5580895).

Almost surely, 2^11161789 is an apocalyptic number.

It is an amenable number.

11161789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161789 is an equidigital number, since it uses as much as digits as its factorization.

11161789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 34.

The square root of 11161789 is about 3340.9263685391. The cubic root of 11161789 is about 223.4830567026.

The spelling of 11161789 in words is "eleven million, one hundred sixty-one thousand, seven hundred eighty-nine".