25283494171 has 24 divisors (see below), whose sum is σ = 29398698224. Its totient is φ = 21605460480.

The previous prime is 25283494139. The next prime is 25283494193. The reversal of 25283494171 is 17149438252.

It is not a de Polignac number, because 25283494171 - 2⁵ = 25283494139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25283494111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174016 + ... + 284338.

Almost surely, 2^25283494171 is an apocalyptic number.

25283494171 is a deficient number, since it is larger than the sum of its proper divisors (4115204053).

25283494171 is a wasteful number, since it uses less digits than its factorization.

25283494171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110431 (or 110414 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The spelling of 25283494171 in words is "twenty-five billion, two hundred eighty-three million, four hundred ninety-four thousand, one hundred seventy-one".