111353449 has 2 divisors, whose sum is σ = 111353450. Its totient is φ = 111353448.

The previous prime is 111353447. The next prime is 111353453. The reversal of 111353449 is 944353111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76247824 + 35105625 = 8732^2 + 5925^2 .

It is a cyclic number.

It is not a de Polignac number, because 111353449 - 2¹ = 111353447 is a prime.

Together with 111353447, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111353449.

It is not a weakly prime, because it can be changed into another prime (111353441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55676724 + 55676725.

It is an arithmetic number, because the mean of its divisors is an integer number (55676725).

Almost surely, 2^111353449 is an apocalyptic number.

It is an amenable number.

111353449 is a deficient number, since it is larger than the sum of its proper divisors (1).

111353449 is an equidigital number, since it uses as much as digits as its factorization.

111353449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 111353449 is about 10552.4143682856. The cubic root of 111353449 is about 481.0991146929.

The spelling of 111353449 in words is "one hundred eleven million, three hundred fifty-three thousand, four hundred forty-nine".