25025503000 has 64 divisors (see below), whose sum is σ = 58699761120. Its totient is φ = 9986256000.

The previous prime is 25025502979. The next prime is 25025503007. The reversal of 25025503000 is 30552052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025503007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391279 + ... + 450721.

Almost surely, 2^25025503000 is an apocalyptic number.

25025503000 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 25025503000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29349880560).

25025503000 is an abundant number, since it is smaller than the sum of its proper divisors (33674258120).

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

25025503000 is a wasteful number, since it uses less digits than its factorization.

25025503000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59885 (or 59871 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The spelling of 25025503000 in words is "twenty-five billion, twenty-five million, five hundred three thousand".