28533664105 has 16 divisors (see below), whose sum is σ = 36047304000. Its totient is φ = 21622645440.

The previous prime is 28533664099. The next prime is 28533664109. The reversal of 28533664105 is 50146633582.

It is not a de Polignac number, because 28533664105 - 2⁵ = 28533664073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28533664109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944535 + ... + 974275.

It is an arithmetic number, because the mean of its divisors is an integer number (2252956500).

Almost surely, 2^28533664105 is an apocalyptic number.

It is an amenable number.

28533664105 is a deficient number, since it is larger than the sum of its proper divisors (7513639895).

28533664105 is a wasteful number, since it uses less digits than its factorization.

28533664105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39864.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 28533664105 in words is "twenty-eight billion, five hundred thirty-three million, six hundred sixty-four thousand, one hundred five".