25051854016 has 28 divisors (see below), whose sum is σ = 56814027088. Its totient is φ = 10736508672.

The previous prime is 25051853977. The next prime is 25051854077. The reversal of 25051854016 is 61045815052.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27959211 + ... + 27960106.

It is an arithmetic number, because the mean of its divisors is an integer number (2029072396).

Almost surely, 2^25051854016 is an apocalyptic number.

It is an amenable number.

25051854016 is an abundant number, since it is smaller than the sum of its proper divisors (31762173072).

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

25051854016 is an equidigital number, since it uses as much as digits as its factorization.

25051854016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55919336 (or 55919326 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 25051854016 in words is "twenty-five billion, fifty-one million, eight hundred fifty-four thousand, sixteen".