25001125344 has 144 divisors (see below), whose sum is σ = 81070031952. Its totient is φ = 7240126464.

The previous prime is 25001125343. The next prime is 25001125349. The reversal of 25001125344 is 44352110052.

25001125344 is a `hidden beast` number, since 2 + 500 + 1 + 125 + 34 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25001125343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132754 + ... + 260049.

It is an arithmetic number, because the mean of its divisors is an integer number (562986333).

Almost surely, 2^25001125344 is an apocalyptic number.

25001125344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25001125344 is an abundant number, since it is smaller than the sum of its proper divisors (56068906608).

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

25001125344 is a wasteful number, since it uses less digits than its factorization.

25001125344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392849 (or 392838 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25001125344 its reverse (44352110052), we get a palindrome (69353235396).

It can be divided in two parts, 2500 and 1125344, that added together give a square (1127844 = 1062²).

The spelling of 25001125344 in words is "twenty-five billion, one million, one hundred twenty-five thousand, three hundred forty-four".