25434120052000 has 384 divisors, whose sum is σ = 69818913964800. Its totient is φ = 9025809408000.

The previous prime is 25434120051937. The next prime is 25434120052013. The reversal of 25434120052000 is 25002143452.

It is a self number, because there is not a number n which added to its sum of digits gives 25434120052000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2438782786 + ... + 2438793214.

It is an arithmetic number, because the mean of its divisors is an integer number (181820088450).

Almost surely, 2^{25434120052000} is an apocalyptic number.

25434120052000 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 25434120052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34909456982400).

25434120052000 is an abundant number, since it is smaller than the sum of its proper divisors (44384793912800).

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

25434120052000 is a wasteful number, since it uses less digits than its factorization.

25434120052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11797 (or 11779 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 25434120052000 its reverse (25002143452), we get a palindrome (25459122195452).

The spelling of 25434120052000 in words is "twenty-five trillion, four hundred thirty-four billion, one hundred twenty million, fifty-two thousand".