25528025014 has 12 divisors (see below), whose sum is σ = 39354932484. Its totient is φ = 12419037864.

The previous prime is 25528024969. The next prime is 25528025053. The reversal of 25528025014 is 41052082552.

It is a super-2 number, since 2×25528025014² (a number of 22 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 4659064 + ... + 4664539.

It is an arithmetic number, because the mean of its divisors is an integer number (3279577707).

Almost surely, 2^25528025014 is an apocalyptic number.

25528025014 is a deficient number, since it is larger than the sum of its proper divisors (13826907470).

25528025014 is an equidigital number, since it uses as much as digits as its factorization.

25528025014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323679 (or 9323642 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 25528025014 in words is "twenty-five billion, five hundred twenty-eight million, twenty-five thousand, fourteen".