25504545241 has 8 divisors (see below), whose sum is σ = 29316538944. Its totient is φ = 21734673360.

The previous prime is 25504545229. The next prime is 25504545251. The reversal of 25504545241 is 14254540552.

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 25504545241 - 2¹¹ = 25504543193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25504545241.

It is not an unprimeable number, because it can be changed into a prime (25504545211) 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, 10529155 + ... + 10531576.

It is an arithmetic number, because the mean of its divisors is an integer number (3664567368).

Almost surely, 2^25504545241 is an apocalyptic number.

It is an amenable number.

25504545241 is a deficient number, since it is larger than the sum of its proper divisors (3811993703).

25504545241 is a wasteful number, since it uses less digits than its factorization.

25504545241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21060911.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 25504545241 in words is "twenty-five billion, five hundred four million, five hundred forty-five thousand, two hundred forty-one".