195573520001 has 4 divisors (see below), whose sum is σ = 195637041600. Its totient is φ = 195509998404.

The previous prime is 195573519991. The next prime is 195573520013. The reversal of 195573520001 is 100025375591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195573520001 - 2¹⁴ = 195573503617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195573520031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31756181 + ... + 31762338.

It is an arithmetic number, because the mean of its divisors is an integer number (48909260400).

Almost surely, 2^195573520001 is an apocalyptic number.

It is an amenable number.

195573520001 is a deficient number, since it is larger than the sum of its proper divisors (63521599).

195573520001 is an equidigital number, since it uses as much as digits as its factorization.

195573520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63521598.

The product of its (nonzero) digits is 47250, while the sum is 38.

Adding to 195573520001 its reverse (100025375591), we get a palindrome (295598895592).

The spelling of 195573520001 in words is "one hundred ninety-five billion, five hundred seventy-three million, five hundred twenty thousand, one".