25195382061 has 8 divisors (see below), whose sum is σ = 33599393280. Its totient is φ = 16794146112.

The previous prime is 25195382011. The next prime is 25195382077. The reversal of 25195382061 is 16028359152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25195382061 - 2⁶ = 25195381997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25195382011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672540 + ... + 709013.

It is an arithmetic number, because the mean of its divisors is an integer number (4199924160).

Almost surely, 2^25195382061 is an apocalyptic number.

It is an amenable number.

25195382061 is a deficient number, since it is larger than the sum of its proper divisors (8404011219).

25195382061 is a wasteful number, since it uses less digits than its factorization.

25195382061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387635.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 25195382061 in words is "twenty-five billion, one hundred ninety-five million, three hundred eighty-two thousand, sixty-one".