111199853 has 2 divisors, whose sum is σ = 111199854. Its totient is φ = 111199852.

The previous prime is 111199817. The next prime is 111199859. The reversal of 111199853 is 358991111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74269924 + 36929929 = 8618^2 + 6077^2 .

It is a cyclic number.

It is not a de Polignac number, because 111199853 - 2⁸ = 111199597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111199859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55599926 + 55599927.

It is an arithmetic number, because the mean of its divisors is an integer number (55599927).

Almost surely, 2^111199853 is an apocalyptic number.

It is an amenable number.

111199853 is a deficient number, since it is larger than the sum of its proper divisors (1).

111199853 is an equidigital number, since it uses as much as digits as its factorization.

111199853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 38.

The square root of 111199853 is about 10545.1340911342. The cubic root of 111199853 is about 480.8778106617.

The spelling of 111199853 in words is "one hundred eleven million, one hundred ninety-nine thousand, eight hundred fifty-three".