195011443201 has 9 divisors (see below), whose sum is σ = 196569755809. Its totient is φ = 193465398100.

The previous prime is 195011443169. The next prime is 195011443301. The reversal of 195011443201 is 102344110591.

The square root of 195011443201 is 441601.

It is a perfect power (a square), and thus also a powerful number.

195011443201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195011443201 - 2⁵ = 195011443169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195011443301) 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 in 8 ways as a sum of consecutive naturals, for example, 57848046 + ... + 57851416.

Almost surely, 2^195011443201 is an apocalyptic number.

195011443201 is the 441601-st square number.

195011443201 is the 220801-st centered octagonal number.

It is an amenable number.

195011443201 is a deficient number, since it is larger than the sum of its proper divisors (1558312608).

195011443201 is an frugal number, since it uses more digits than its factorization.

195011443201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 195011443201 its reverse (102344110591), we get a palindrome (297355553792).

The spelling of 195011443201 in words is "one hundred ninety-five billion, eleven million, four hundred forty-three thousand, two hundred one".