195381529211 has 8 divisors (see below), whose sum is σ = 217678454784. Its totient is φ = 173840431720.

The previous prime is 195381529157. The next prime is 195381529243. The reversal of 195381529211 is 112925183591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195381529211 - 2¹⁰ = 195381528187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195381529271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188956475 + ... + 188957508.

It is an arithmetic number, because the mean of its divisors is an integer number (27209806848).

Almost surely, 2^195381529211 is an apocalyptic number.

195381529211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

195381529211 is a deficient number, since it is larger than the sum of its proper divisors (22296925573).

195381529211 is a wasteful number, since it uses less digits than its factorization.

195381529211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377914041.

The product of its digits is 194400, while the sum is 47.

The spelling of 195381529211 in words is "one hundred ninety-five billion, three hundred eighty-one million, five hundred twenty-nine thousand, two hundred eleven".