25178628241 has 8 divisors (see below), whose sum is σ = 28294378560. Its totient is φ = 22231296912.

The previous prime is 25178628191. The next prime is 25178628271. The reversal of 25178628241 is 14282687152.

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

It is a cyclic number.

It is not a de Polignac number, because 25178628241 - 2¹⁹ = 25178103953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25178628191 and 25178628200.

It is not an unprimeable number, because it can be changed into a prime (25178628271) 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, 42104431 + ... + 42105028.

It is an arithmetic number, because the mean of its divisors is an integer number (3536797320).

Almost surely, 2^25178628241 is an apocalyptic number.

It is an amenable number.

25178628241 is a deficient number, since it is larger than the sum of its proper divisors (3115750319).

25178628241 is a wasteful number, since it uses less digits than its factorization.

25178628241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84209495.

The product of its digits is 430080, while the sum is 46.

The spelling of 25178628241 in words is "twenty-five billion, one hundred seventy-eight million, six hundred twenty-eight thousand, two hundred forty-one".