25353120000 has 720 divisors, whose sum is σ = 96548094720. Its totient is φ = 5849088000.

The previous prime is 25353119999. The next prime is 25353120019. The reversal of 25353120000 is 2135352.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 106079881 + ... + 106080119.

It is an arithmetic number, because the mean of its divisors is an integer number (134094576).

Almost surely, 2^25353120000 is an apocalyptic number.

25353120000 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 25353120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48274047360).

25353120000 is an abundant number, since it is smaller than the sum of its proper divisors (71194974720).

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

25353120000 is a wasteful number, since it uses less digits than its factorization.

25353120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 25353120000 its reverse (2135352), we get a palindrome (25355255352).

The spelling of 25353120000 in words is "twenty-five billion, three hundred fifty-three million, one hundred twenty thousand".