185556113 has 2 divisors, whose sum is σ = 185556114. Its totient is φ = 185556112.

The previous prime is 185556067. The next prime is 185556169. The reversal of 185556113 is 311655581.

185556113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99660289 + 85895824 = 9983^2 + 9268^2 .

It is a cyclic number.

It is not a de Polignac number, because 185556113 - 2¹⁰ = 185555089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (185556193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92778056 + 92778057.

It is an arithmetic number, because the mean of its divisors is an integer number (92778057).

Almost surely, 2^185556113 is an apocalyptic number.

It is an amenable number.

185556113 is a deficient number, since it is larger than the sum of its proper divisors (1).

185556113 is an equidigital number, since it uses as much as digits as its factorization.

185556113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 35.

The square root of 185556113 is about 13621.8982891519. The cubic root of 185556113 is about 570.3722949998.

The spelling of 185556113 in words is "one hundred eighty-five million, five hundred fifty-six thousand, one hundred thirteen".