25000280275000 has 96 divisors (see below), whose sum is σ = 61674376806000. Its totient is φ = 9473790240000.

The previous prime is 25000280274953. The next prime is 25000280275051. The reversal of 25000280275000 is 57208200052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25841085 + ... + 26791084.

Almost surely, 2^{25000280275000} is an apocalyptic number.

25000280275000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25000280275000 is an abundant number, since it is smaller than the sum of its proper divisors (36674096531000).

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

25000280275000 is an equidigital number, since it uses as much as digits as its factorization.

25000280275000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52632219 (or 52632195 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

Adding to 25000280275000 its reverse (57208200052), we get a palindrome (25057488475052).

The spelling of 25000280275000 in words is "twenty-five trillion, two hundred eighty million, two hundred seventy-five thousand".