195505144527 has 64 divisors (see below), whose sum is σ = 329140224000. Its totient is φ = 100267632000.

The previous prime is 195505144517. The next prime is 195505144547. The reversal of 195505144527 is 725441505591.

It is not a de Polignac number, because 195505144527 - 2¹⁹ = 195504620239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195505144507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38324277 + ... + 38329377.

It is an arithmetic number, because the mean of its divisors is an integer number (5142816000).

Almost surely, 2^195505144527 is an apocalyptic number.

195505144527 is a deficient number, since it is larger than the sum of its proper divisors (133635079473).

195505144527 is a wasteful number, since it uses less digits than its factorization.

195505144527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 195505144527 in words is "one hundred ninety-five billion, five hundred five million, one hundred forty-four thousand, five hundred twenty-seven".