25300005505250 has 64 divisors (see below), whose sum is σ = 54624138117120. Its totient is φ = 8594706916800.

The previous prime is 25300005505249. The next prime is 25300005505301. The reversal of 25300005505250 is 5250550000352.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66126434 + ... + 66507933.

It is an arithmetic number, because the mean of its divisors is an integer number (853502158080).

Almost surely, 2^{25300005505250} is an apocalyptic number.

25300005505250 is an abundant number, since it is smaller than the sum of its proper divisors (29324132611870).

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

25300005505250 is a wasteful number, since it uses less digits than its factorization.

25300005505250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132634500 (or 132634490 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 32.

The spelling of 25300005505250 in words is "twenty-five trillion, three hundred billion, five million, five hundred five thousand, two hundred fifty".