195958087125 has 16 divisors (see below), whose sum is σ = 326074257600. Its totient is φ = 104510979600.

The previous prime is 195958087121. The next prime is 195958087139. The reversal of 195958087125 is 521780859591.

It is not a de Polignac number, because 195958087125 - 2² = 195958087121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195958087121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261277075 + ... + 261277824.

It is an arithmetic number, because the mean of its divisors is an integer number (20379641100).

Almost surely, 2^195958087125 is an apocalyptic number.

195958087125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195958087125 is a deficient number, since it is larger than the sum of its proper divisors (130116170475).

195958087125 is an equidigital number, since it uses as much as digits as its factorization.

195958087125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522554917 (or 522554907 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 60.

The spelling of 195958087125 in words is "one hundred ninety-five billion, nine hundred fifty-eight million, eighty-seven thousand, one hundred twenty-five".