28500906029111 has 2 divisors, whose sum is σ = 28500906029112. Its totient is φ = 28500906029110.

The previous prime is 28500906029083. The next prime is 28500906029147. The reversal of 28500906029111 is 11192060900582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28500906029111 - 2²² = 28500901834807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28500906029171) 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 as a sum of consecutive naturals, namely, 14250453014555 + 14250453014556.

It is an arithmetic number, because the mean of its divisors is an integer number (14250453014556).

Almost surely, 2^{28500906029111} is an apocalyptic number.

28500906029111 is a deficient number, since it is larger than the sum of its proper divisors (1).

28500906029111 is an equidigital number, since it uses as much as digits as its factorization.

28500906029111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

Adding to 28500906029111 its reverse (11192060900582), we get a palindrome (39692966929693).

The spelling of 28500906029111 in words is "twenty-eight trillion, five hundred billion, nine hundred six million, twenty-nine thousand, one hundred eleven".