102195505075 has 6 divisors (see below), whose sum is σ = 126722426324. Its totient is φ = 81756404040.

The previous prime is 102195505039. The next prime is 102195505133. The reversal of 102195505075 is 570505591201.

It is a happy number.

It is not a de Polignac number, because 102195505075 - 2¹⁷ = 102195374003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2043910077 + ... + 2043910126.

Almost surely, 2^102195505075 is an apocalyptic number.

102195505075 is a deficient number, since it is larger than the sum of its proper divisors (24526921249).

102195505075 is an equidigital number, since it uses as much as digits as its factorization.

102195505075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087820213 (or 4087820208 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 40.

The spelling of 102195505075 in words is "one hundred two billion, one hundred ninety-five million, five hundred five thousand, seventy-five".