28056122953 has 2 divisors, whose sum is σ = 28056122954. Its totient is φ = 28056122952.

The previous prime is 28056122911. The next prime is 28056122981. The reversal of 28056122953 is 35922165082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18340472329 + 9715650624 = 135427^2 + 98568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28056122953 is a prime.

It is not a weakly prime, because it can be changed into another prime (28056125953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028061476 + 14028061477.

It is an arithmetic number, because the mean of its divisors is an integer number (14028061477).

Almost surely, 2^28056122953 is an apocalyptic number.

It is an amenable number.

28056122953 is a deficient number, since it is larger than the sum of its proper divisors (1).

28056122953 is an equidigital number, since it uses as much as digits as its factorization.

28056122953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 28056122953 in words is "twenty-eight billion, fifty-six million, one hundred twenty-two thousand, nine hundred fifty-three".