111164873 has 2 divisors, whose sum is σ = 111164874. Its totient is φ = 111164872.

The previous prime is 111164863. The next prime is 111164881. The reversal of 111164873 is 378461111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87086224 + 24078649 = 9332^2 + 4907^2 .

It is a cyclic number.

It is not a de Polignac number, because 111164873 - 2⁴ = 111164857 is a prime.

It is a super-2 number, since 2×111164873² = 24715257978212258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111164863) 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, 55582436 + 55582437.

It is an arithmetic number, because the mean of its divisors is an integer number (55582437).

Almost surely, 2^111164873 is an apocalyptic number.

It is an amenable number.

111164873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111164873 is an equidigital number, since it uses as much as digits as its factorization.

111164873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 111164873 is about 10543.4753757952. The cubic root of 111164873 is about 480.8273823279.

The spelling of 111164873 in words is "one hundred eleven million, one hundred sixty-four thousand, eight hundred seventy-three".