28140011 has 2 divisors, whose sum is σ = 28140012. Its totient is φ = 28140010.

The previous prime is 28139999. The next prime is 28140023. The reversal of 28140011 is 11004182.

It is a balanced prime because it is at equal distance from previous prime (28139999) and next prime (28140023).

It is a cyclic number.

It is not a de Polignac number, because 28140011 - 2¹⁰ = 28138987 is a prime.

It is not a weakly prime, because it can be changed into another prime (28140811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14070005 + 14070006.

It is an arithmetic number, because the mean of its divisors is an integer number (14070006).

Almost surely, 2^28140011 is an apocalyptic number.

28140011 is a deficient number, since it is larger than the sum of its proper divisors (1).

28140011 is an equidigital number, since it uses as much as digits as its factorization.

28140011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 28140011 is about 5304.7159207633. The cubic root of 28140011 is about 304.1641938207.

Adding to 28140011 its reverse (11004182), we get a palindrome (39144193).

The spelling of 28140011 in words is "twenty-eight million, one hundred forty thousand, eleven".