25604121537344 has 112 divisors (see below), whose sum is σ = 58447186176768. Its totient is φ = 10901350268928.

The previous prime is 25604121537301. The next prime is 25604121537359. The reversal of 25604121537344 is 44373512140652.

It is a tau number, because it is divible by the number of its divisors (112).

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, 100860944 + ... + 101114480.

Almost surely, 2^{25604121537344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25604121537344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29223593088384).

25604121537344 is an abundant number, since it is smaller than the sum of its proper divisors (32843064639424).

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

25604121537344 is a wasteful number, since it uses less digits than its factorization.

25604121537344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255032 (or 255022 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

Adding to 25604121537344 its reverse (44373512140652), we get a palindrome (69977633677996).

The spelling of 25604121537344 in words is "twenty-five trillion, six hundred four billion, one hundred twenty-one million, five hundred thirty-seven thousand, three hundred forty-four".