195485111 has 2 divisors, whose sum is σ = 195485112. Its totient is φ = 195485110.

The previous prime is 195485107. The next prime is 195485123. The reversal of 195485111 is 111584591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195485111 - 2² = 195485107 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195485161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97742555 + 97742556.

It is an arithmetic number, because the mean of its divisors is an integer number (97742556).

Almost surely, 2^195485111 is an apocalyptic number.

195485111 is a deficient number, since it is larger than the sum of its proper divisors (1).

195485111 is an equidigital number, since it uses as much as digits as its factorization.

195485111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 35.

The square root of 195485111 is about 13981.5990144189. The cubic root of 195485111 is about 580.3694742569.

The spelling of 195485111 in words is "one hundred ninety-five million, four hundred eighty-five thousand, one hundred eleven".