28055555603 has 2 divisors, whose sum is σ = 28055555604. Its totient is φ = 28055555602.

The previous prime is 28055555573. The next prime is 28055555611. The reversal of 28055555603 is 30655555082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28055555603 - 2²⁰ = 28054507027 is a prime.

It is a super-2 number, since 2×28055555603² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28055551603) 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, 14027777801 + 14027777802.

It is an arithmetic number, because the mean of its divisors is an integer number (14027777802).

Almost surely, 2^28055555603 is an apocalyptic number.

28055555603 is a deficient number, since it is larger than the sum of its proper divisors (1).

28055555603 is an equidigital number, since it uses as much as digits as its factorization.

28055555603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 28055555603 in words is "twenty-eight billion, fifty-five million, five hundred fifty-five thousand, six hundred three".