25043000000 has 196 divisors, whose sum is σ = 63102317280. Its totient is φ = 9859200000.

The previous prime is 25042999987. The next prime is 25043000011. The reversal of 25043000000 is 34052.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 78999842 + ... + 79000158.

Almost surely, 2^25043000000 is an apocalyptic number.

25043000000 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 25043000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31551158640).

25043000000 is an abundant number, since it is smaller than the sum of its proper divisors (38059317280).

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

25043000000 is an frugal number, since it uses more digits than its factorization.

25043000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

Adding to 25043000000 its reverse (34052), we get a palindrome (25043034052).

The spelling of 25043000000 in words is "twenty-five billion, forty-three million", and thus it is an aban number and an uban number.