25803728039236 has 12 divisors (see below), whose sum is σ = 51607456078528. Its totient is φ = 11058740588232.

The previous prime is 25803728039203. The next prime is 25803728039237. The reversal of 25803728039236 is 63293082730852.

25803728039236 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25803728039237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460780857816 + ... + 460780857871.

Almost surely, 2^{25803728039236} is an apocalyptic number.

It is an amenable number.

25803728039236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25803728039236 is a wasteful number, since it uses less digits than its factorization.

25803728039236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921561715698 (or 921561715696 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 25803728039236 in words is "twenty-five trillion, eight hundred three billion, seven hundred twenty-eight million, thirty-nine thousand, two hundred thirty-six".