25085614848 has 72 divisors (see below), whose sum is σ = 76302094848. Its totient is φ = 7167316992.

The previous prime is 25085614837. The next prime is 25085614871. The reversal of 25085614848 is 84841658052.

It is a self number, because there is not a number n which added to its sum of digits gives 25085614848.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2327736 + ... + 2338487.

Almost surely, 2^25085614848 is an apocalyptic number.

25085614848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25085614848 is an abundant number, since it is smaller than the sum of its proper divisors (51216480000).

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

25085614848 is an equidigital number, since it uses as much as digits as its factorization.

25085614848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666249 (or 4666235 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 25085614848 in words is "twenty-five billion, eighty-five million, six hundred fourteen thousand, eight hundred forty-eight".