25028055253012 has 192 divisors, whose sum is σ = 54090167040000. Its totient is φ = 9894868858368.

The previous prime is 25028055252929. The next prime is 25028055253043. The reversal of 25028055253012 is 21035255082052.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8515839039 + ... + 8515841977.

It is an arithmetic number, because the mean of its divisors is an integer number (281719620000).

Almost surely, 2^{25028055253012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25028055253012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27045083520000).

25028055253012 is an abundant number, since it is smaller than the sum of its proper divisors (29062111786988).

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

25028055253012 is a wasteful number, since it uses less digits than its factorization.

25028055253012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 25028055253012 in words is "twenty-five trillion, twenty-eight billion, fifty-five million, two hundred fifty-three thousand, twelve".