25195876725 has 24 divisors (see below), whose sum is σ = 43849668640. Its totient is φ = 12730547520.

The previous prime is 25195876711. The next prime is 25195876777. The reversal of 25195876725 is 52767859152.

It is not a de Polignac number, because 25195876725 - 2⁸ = 25195876469 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8839234 + ... + 8842083.

Almost surely, 2^25195876725 is an apocalyptic number.

25195876725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25195876725 is a deficient number, since it is larger than the sum of its proper divisors (18653791915).

25195876725 is a wasteful number, since it uses less digits than its factorization.

25195876725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681349 (or 17681344 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 57.

The spelling of 25195876725 in words is "twenty-five billion, one hundred ninety-five million, eight hundred seventy-six thousand, seven hundred twenty-five".