11109449 has 12 divisors (see below), whose sum is σ = 12713484. Its totient is φ = 9648384.

The previous prime is 11109443. The next prime is 11109473. The reversal of 11109449 is 94490111.

It can be written as a sum of positive squares in 6 ways, for example, as 53824 + 11055625 = 232^2 + 3325^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11109449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11109443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2279 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (1059457).

Almost surely, 2^11109449 is an apocalyptic number.

It is an amenable number.

11109449 is a deficient number, since it is larger than the sum of its proper divisors (1604035).

11109449 is a wasteful number, since it uses less digits than its factorization.

11109449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11109449 is about 3333.0840073421. The cubic root of 11109449 is about 223.1331894198.

The spelling of 11109449 in words is "eleven million, one hundred nine thousand, four hundred forty-nine".