25250685000 has 160 divisors (see below), whose sum is σ = 79238385600. Its totient is φ = 6703200000.

The previous prime is 25250684993. The next prime is 25250685001. The reversal of 25250685000 is 58605252.

It is not an unprimeable number, because it can be changed into a prime (25250685001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3431325 + ... + 3438675.

It is an arithmetic number, because the mean of its divisors is an integer number (495239910).

Almost surely, 2^25250685000 is an apocalyptic number.

25250685000 is a gapful number since it is divisible by the number (20) 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 25250685000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39619192800).

25250685000 is an abundant number, since it is smaller than the sum of its proper divisors (53987700600).

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

25250685000 is a wasteful number, since it uses less digits than its factorization.

25250685000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609 (or 7590 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 25250685000 in words is "twenty-five billion, two hundred fifty million, six hundred eighty-five thousand".