25321657048 has 16 divisors (see below), whose sum is σ = 49976955000. Its totient is φ = 11994469056.

The previous prime is 25321657037. The next prime is 25321657051. The reversal of 25321657048 is 84075612352.

It is a junction number, because it is equal to n+sod(n) for n = 25321656995 and 25321657013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83294773 + ... + 83295076.

Almost surely, 2^25321657048 is an apocalyptic number.

It is an amenable number.

25321657048 is a deficient number, since it is larger than the sum of its proper divisors (24655297952).

25321657048 is a wasteful number, since it uses less digits than its factorization.

25321657048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166589874 (or 166589870 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 25321657048 in words is "twenty-five billion, three hundred twenty-one million, six hundred fifty-seven thousand, forty-eight".