11111449 has 4 divisors (see below), whose sum is σ = 11124864. Its totient is φ = 11098036.

The previous prime is 11111431. The next prime is 11111491. The reversal of 11111449 is 94411111.

11111449 is digitally balanced in base 3, 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 11111449 - 2⁵ = 11111417 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11112449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377 + ... + 7150.

It is an arithmetic number, because the mean of its divisors is an integer number (2781216).

Almost surely, 2^11111449 is an apocalyptic number.

It is an amenable number.

11111449 is a deficient number, since it is larger than the sum of its proper divisors (13415).

11111449 is an equidigital number, since it uses as much as digits as its factorization.

11111449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13414.

The product of its digits is 144, while the sum is 22.

The square root of 11111449 is about 3333.3840162814. The cubic root of 11111449 is about 223.1465786107.

The spelling of 11111449 in words is "eleven million, one hundred eleven thousand, four hundred forty-nine".