25052012000 has 96 divisors (see below), whose sum is σ = 61733599200. Its totient is φ = 9991372800.

The previous prime is 25052011987. The next prime is 25052012021. The reversal of 25052012000 is 21025052.

It is a self number, because there is not a number n which added to its sum of digits gives 25052012000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378976 + ... + 1397024.

It is an arithmetic number, because the mean of its divisors is an integer number (643058325).

Almost surely, 2^25052012000 is an apocalyptic number.

25052012000 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 25052012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30866799600).

25052012000 is an abundant number, since it is smaller than the sum of its proper divisors (36681587200).

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

25052012000 is a wasteful number, since it uses less digits than its factorization.

25052012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421 (or 18403 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

Adding to 25052012000 its reverse (21025052), we get a palindrome (25073037052).

The spelling of 25052012000 in words is "twenty-five billion, fifty-two million, twelve thousand".