11144897 has 2 divisors, whose sum is σ = 11144898. Its totient is φ = 11144896.

The previous prime is 11144891. The next prime is 11144899. The reversal of 11144897 is 79844111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7890481 + 3254416 = 2809^2 + 1804^2 .

It is an emirp because it is prime and its reverse (79844111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11144897 is a prime.

Together with 11144899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11144891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572448 + 5572449.

It is an arithmetic number, because the mean of its divisors is an integer number (5572449).

Almost surely, 2^11144897 is an apocalyptic number.

It is an amenable number.

11144897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144897 is an equidigital number, since it uses as much as digits as its factorization.

11144897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The square root of 11144897 is about 3338.3973699966. The cubic root of 11144897 is about 223.3702617087.

The spelling of 11144897 in words is "eleven million, one hundred forty-four thousand, eight hundred ninety-seven".