28666132112059 has 16 divisors (see below), whose sum is σ = 31304720970432. Its totient is φ = 26091677265408.

The previous prime is 28666132112041. The next prime is 28666132112099. The reversal of 28666132112059 is 95021123166682.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28666132112059 - 2⁵ = 28666132112027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28666132111997 and 28666132112015.

It is not an unprimeable number, because it can be changed into a prime (28666132112099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45629242 + ... + 46253215.

It is an arithmetic number, because the mean of its divisors is an integer number (1956545060652).

Almost surely, 2^{28666132112059} is an apocalyptic number.

28666132112059 is a deficient number, since it is larger than the sum of its proper divisors (2638588858373).

28666132112059 is a wasteful number, since it uses less digits than its factorization.

28666132112059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91882806.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 28666132112059 in words is "twenty-eight trillion, six hundred sixty-six billion, one hundred thirty-two million, one hundred twelve thousand, fifty-nine".