28081512035 has 16 divisors (see below), whose sum is σ = 33783384096. Its totient is φ = 22408232448.

The previous prime is 28081511929. The next prime is 28081512047. The reversal of 28081512035 is 53021518082.

It is a cyclic number.

It is not a de Polignac number, because 28081512035 - 2⁸ = 28081511779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28081511986 and 28081512004.

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 15 ways as a sum of consecutive naturals, for example, 4227737 + ... + 4234373.

It is an arithmetic number, because the mean of its divisors is an integer number (2111461506).

Almost surely, 2^28081512035 is an apocalyptic number.

28081512035 is a deficient number, since it is larger than the sum of its proper divisors (5701872061).

28081512035 is a wasteful number, since it uses less digits than its factorization.

28081512035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 28081512035 in words is "twenty-eight billion, eighty-one million, five hundred twelve thousand, thirty-five".