28525211252582 has 48 divisors (see below), whose sum is σ = 49677405904896. Its totient is φ = 12255938679600.

The previous prime is 28525211252569. The next prime is 28525211252651.

28525211252582 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 28525211252582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43890758 + ... + 44535929.

It is an arithmetic number, because the mean of its divisors is an integer number (1034945956352).

Almost surely, 2^{28525211252582} is an apocalyptic number.

28525211252582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28525211252582 is a deficient number, since it is larger than the sum of its proper divisors (21152194652314).

28525211252582 is a wasteful number, since it uses less digits than its factorization.

28525211252582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88426785 (or 88426774 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 50.

The spelling of 28525211252582 in words is "twenty-eight trillion, five hundred twenty-five billion, two hundred eleven million, two hundred fifty-two thousand, five hundred eighty-two".