11146489 has 2 divisors, whose sum is σ = 11146490. Its totient is φ = 11146488.

The previous prime is 11146459. The next prime is 11146493. The reversal of 11146489 is 98464111.

11146489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9954025 + 1192464 = 3155^2 + 1092^2 .

It is an emirp because it is prime and its reverse (98464111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11146489 - 2¹⁵ = 11113721 is a prime.

It is not a weakly prime, because it can be changed into another prime (11146439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573244 + 5573245.

It is an arithmetic number, because the mean of its divisors is an integer number (5573245).

Almost surely, 2^11146489 is an apocalyptic number.

It is an amenable number.

11146489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146489 is an equidigital number, since it uses as much as digits as its factorization.

11146489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 11146489 is about 3338.6357992450. The cubic root of 11146489 is about 223.3808970253.

The spelling of 11146489 in words is "eleven million, one hundred forty-six thousand, four hundred eighty-nine".