28416012211 has 2 divisors, whose sum is σ = 28416012212. Its totient is φ = 28416012210.

The previous prime is 28416012137. The next prime is 28416012217. The reversal of 28416012211 is 11221061482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28416012211 - 2⁹ = 28416011699 is a prime.

It is a super-2 number, since 2×28416012211² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28416012211.

It is not a weakly prime, because it can be changed into another prime (28416012217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14208006105 + 14208006106.

It is an arithmetic number, because the mean of its divisors is an integer number (14208006106).

Almost surely, 2^28416012211 is an apocalyptic number.

28416012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

28416012211 is an equidigital number, since it uses as much as digits as its factorization.

28416012211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 28416012211 its reverse (11221061482), we get a palindrome (39637073693).

The spelling of 28416012211 in words is "twenty-eight billion, four hundred sixteen million, twelve thousand, two hundred eleven".