111466813 has 2 divisors, whose sum is σ = 111466814. Its totient is φ = 111466812.

The previous prime is 111466801. The next prime is 111466843. The reversal of 111466813 is 318664111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82500889 + 28965924 = 9083^2 + 5382^2 .

It is an emirp because it is prime and its reverse (318664111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111466813 - 2⁹ = 111466301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111466843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55733406 + 55733407.

It is an arithmetic number, because the mean of its divisors is an integer number (55733407).

Almost surely, 2^111466813 is an apocalyptic number.

It is an amenable number.

111466813 is a deficient number, since it is larger than the sum of its proper divisors (1).

111466813 is an equidigital number, since it uses as much as digits as its factorization.

111466813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 111466813 is about 10557.7844740267. The cubic root of 111466813 is about 481.2623212003.

The spelling of 111466813 in words is "one hundred eleven million, four hundred sixty-six thousand, eight hundred thirteen".