28814041111 has 2 divisors, whose sum is σ = 28814041112. Its totient is φ = 28814041110.

The previous prime is 28814041037. The next prime is 28814041121. The reversal of 28814041111 is 11114041882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28814041111 - 2²¹ = 28811943959 is a prime.

It is a super-2 number, since 2×28814041111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28814041121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14407020555 + 14407020556.

It is an arithmetic number, because the mean of its divisors is an integer number (14407020556).

Almost surely, 2^28814041111 is an apocalyptic number.

28814041111 is a deficient number, since it is larger than the sum of its proper divisors (1).

28814041111 is an equidigital number, since it uses as much as digits as its factorization.

28814041111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 31.

Adding to 28814041111 its reverse (11114041882), we get a palindrome (39928082993).

The spelling of 28814041111 in words is "twenty-eight billion, eight hundred fourteen million, forty-one thousand, one hundred eleven".