25195395975 has 12 divisors (see below), whose sum is σ = 41656388136. Its totient is φ = 13437544480.

The previous prime is 25195395947. The next prime is 25195396001. The reversal of 25195395975 is 57959359152.

It is not a de Polignac number, because 25195395975 - 2²² = 25191201671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167969232 + ... + 167969381.

It is an arithmetic number, because the mean of its divisors is an integer number (3471365678).

Almost surely, 2^25195395975 is an apocalyptic number.

25195395975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25195395975 is a deficient number, since it is larger than the sum of its proper divisors (16460992161).

25195395975 is a wasteful number, since it uses less digits than its factorization.

25195395975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335938626 (or 335938621 counting only the distinct ones).

The product of its digits is 19136250, while the sum is 60.

The spelling of 25195395975 in words is "twenty-five billion, one hundred ninety-five million, three hundred ninety-five thousand, nine hundred seventy-five".