28851114133 has 2 divisors, whose sum is σ = 28851114134. Its totient is φ = 28851114132.

The previous prime is 28851114067. The next prime is 28851114139. The reversal of 28851114133 is 33141115882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25460031844 + 3391082289 = 159562^2 + 58233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28851114133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28851114092 and 28851114101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28851114139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14425557066 + 14425557067.

It is an arithmetic number, because the mean of its divisors is an integer number (14425557067).

Almost surely, 2^28851114133 is an apocalyptic number.

It is an amenable number.

28851114133 is a deficient number, since it is larger than the sum of its proper divisors (1).

28851114133 is an equidigital number, since it uses as much as digits as its factorization.

28851114133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The spelling of 28851114133 in words is "twenty-eight billion, eight hundred fifty-one million, one hundred fourteen thousand, one hundred thirty-three".