28125695539200 has 1152 divisors, whose sum is σ = 107626871439360. Its totient is φ = 6346742169600.

The previous prime is 28125695539187. The next prime is 28125695539229. The reversal of 28125695539200 is 293559652182.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 38370662034 + ... + 38370662766.

It is an arithmetic number, because the mean of its divisors is an integer number (93426103680).

Almost surely, 2^{28125695539200} is an apocalyptic number.

28125695539200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28125695539200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53813435719680).

28125695539200 is an abundant number, since it is smaller than the sum of its proper divisors (79501175900160).

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

28125695539200 is a wasteful number, since it uses less digits than its factorization.

28125695539200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 57.

The spelling of 28125695539200 in words is "twenty-eight trillion, one hundred twenty-five billion, six hundred ninety-five million, five hundred thirty-nine thousand, two hundred".