108605113 has 2 divisors, whose sum is σ = 108605114. Its totient is φ = 108605112.

The previous prime is 108605111. The next prime is 108605131. The reversal of 108605113 is 311506801.

Together with next prime (108605131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94225849 + 14379264 = 9707^2 + 3792^2 .

It is a cyclic number.

It is not a de Polignac number, because 108605113 - 2¹ = 108605111 is a prime.

Together with 108605111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (108605111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54302556 + 54302557.

It is an arithmetic number, because the mean of its divisors is an integer number (54302557).

Almost surely, 2^108605113 is an apocalyptic number.

It is an amenable number.

108605113 is a deficient number, since it is larger than the sum of its proper divisors (1).

108605113 is an equidigital number, since it uses as much as digits as its factorization.

108605113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 108605113 is about 10421.3776920329. The cubic root of 108605113 is about 477.1080643019.

The spelling of 108605113 in words is "one hundred eight million, six hundred five thousand, one hundred thirteen".