25195104025 has 48 divisors (see below), whose sum is σ = 38504035584. Its totient is φ = 15925927680.

The previous prime is 25195104017. The next prime is 25195104041. The reversal of 25195104025 is 52040159152.

It is not a de Polignac number, because 25195104025 - 2³ = 25195104017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1751412 + ... + 1765738.

It is an arithmetic number, because the mean of its divisors is an integer number (802167408).

Almost surely, 2^25195104025 is an apocalyptic number.

25195104025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25195104025 is a deficient number, since it is larger than the sum of its proper divisors (13308931559).

25195104025 is a wasteful number, since it uses less digits than its factorization.

25195104025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15130 (or 15125 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 25195104025 in words is "twenty-five billion, one hundred ninety-five million, one hundred four thousand, twenty-five".