25020505048 has 96 divisors (see below), whose sum is σ = 59668917840. Its totient is φ = 9726151680.

The previous prime is 25020505039. The next prime is 25020505051. The reversal of 25020505048 is 84050502052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1964236 + ... + 1976932.

Almost surely, 2^25020505048 is an apocalyptic number.

25020505048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25020505048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29834458920).

25020505048 is an abundant number, since it is smaller than the sum of its proper divisors (34648412792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25020505048 is a wasteful number, since it uses less digits than its factorization.

25020505048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185 (or 13174 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 25020505048 in words is "twenty-five billion, twenty million, five hundred five thousand, forty-eight".