111814849 has 2 divisors, whose sum is σ = 111814850. Its totient is φ = 111814848.

The previous prime is 111814841. The next prime is 111814873. The reversal of 111814849 is 948418111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61858225 + 49956624 = 7865^2 + 7068^2 .

It is a cyclic number.

It is not a de Polignac number, because 111814849 - 2³ = 111814841 is a prime.

It is not a weakly prime, because it can be changed into another prime (111814841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55907424 + 55907425.

It is an arithmetic number, because the mean of its divisors is an integer number (55907425).

Almost surely, 2^111814849 is an apocalyptic number.

It is an amenable number.

111814849 is a deficient number, since it is larger than the sum of its proper divisors (1).

111814849 is an equidigital number, since it uses as much as digits as its factorization.

111814849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 37.

The square root of 111814849 is about 10574.2540635262. The cubic root of 111814849 is about 481.7626871358.

The spelling of 111814849 in words is "one hundred eleven million, eight hundred fourteen thousand, eight hundred forty-nine".