28036752505 has 16 divisors (see below), whose sum is σ = 34238131200. Its totient is φ = 22033912320.

The previous prime is 28036752493. The next prime is 28036752511. The reversal of 28036752505 is 50525763082.

It is not a de Polignac number, because 28036752505 - 2¹¹ = 28036750457 is a prime.

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, 401641 + ... + 466249.

It is an arithmetic number, because the mean of its divisors is an integer number (2139883200).

Almost surely, 2^28036752505 is an apocalyptic number.

It is an amenable number.

28036752505 is a deficient number, since it is larger than the sum of its proper divisors (6201378695).

28036752505 is a wasteful number, since it uses less digits than its factorization.

28036752505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66144.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 28036752505 in words is "twenty-eight billion, thirty-six million, seven hundred fifty-two thousand, five hundred five".