195112155 has 16 divisors (see below), whose sum is σ = 356776704. Its totient is φ = 89194080.

The previous prime is 195112147. The next prime is 195112163. The reversal of 195112155 is 551211591.

It is an interprime number because it is at equal distance from previous prime (195112147) and next prime (195112163).

It is not a de Polignac number, because 195112155 - 2³ = 195112147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929001 + ... + 929210.

It is an arithmetic number, because the mean of its divisors is an integer number (22298544).

Almost surely, 2^195112155 is an apocalyptic number.

195112155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195112155 is a deficient number, since it is larger than the sum of its proper divisors (161664549).

195112155 is a wasteful number, since it uses less digits than its factorization.

195112155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858226.

The product of its digits is 2250, while the sum is 30.

The square root of 195112155 is about 13968.2552596951. The cubic root of 195112155 is about 580.0001535870. Note that the first 3 decimals are identical.

The spelling of 195112155 in words is "one hundred ninety-five million, one hundred twelve thousand, one hundred fifty-five".