25004111132 has 96 divisors (see below), whose sum is σ = 58909509120. Its totient is φ = 8968216320.

The previous prime is 25004111123. The next prime is 25004111179. The reversal of 25004111132 is 23111140052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509278 + ... + 1525754.

It is an arithmetic number, because the mean of its divisors is an integer number (613640720).

Almost surely, 2^25004111132 is an apocalyptic number.

25004111132 is a gapful number since it is divisible by the number (22) 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 25004111132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29454754560).

25004111132 is an abundant number, since it is smaller than the sum of its proper divisors (33905397988).

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

25004111132 is a wasteful number, since it uses less digits than its factorization.

25004111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16891 (or 16889 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 25004111132 its reverse (23111140052), we get a palindrome (48115251184).

The spelling of 25004111132 in words is "twenty-five billion, four million, one hundred eleven thousand, one hundred thirty-two".