25280505250275 has 48 divisors (see below), whose sum is σ = 45598806311040. Its totient is φ = 12256685702400.

The previous prime is 25280505250243. The next prime is 25280505250277. The reversal of 25280505250275 is 57205250508252.

It is not a de Polignac number, because 25280505250275 - 2⁵ = 25280505250243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25280505250277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18814816 + ... + 20113634.

It is an arithmetic number, because the mean of its divisors is an integer number (949975131480).

Almost surely, 2^{25280505250275} is an apocalyptic number.

25280505250275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25280505250275 is a deficient number, since it is larger than the sum of its proper divisors (20318301060765).

25280505250275 is a wasteful number, since it uses less digits than its factorization.

25280505250275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322436 (or 1322431 counting only the distinct ones).

The product of its (nonzero) digits is 2800000, while the sum is 48.

The spelling of 25280505250275 in words is "twenty-five trillion, two hundred eighty billion, five hundred five million, two hundred fifty thousand, two hundred seventy-five".