28255502543 has 2 divisors, whose sum is σ = 28255502544. Its totient is φ = 28255502542.

The previous prime is 28255502479. The next prime is 28255502563. The reversal of 28255502543 is 34520555282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28255502543 - 2⁶ = 28255502479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28255502543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28255502563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14127751271 + 14127751272.

It is an arithmetic number, because the mean of its divisors is an integer number (14127751272).

Almost surely, 2^28255502543 is an apocalyptic number.

28255502543 is a deficient number, since it is larger than the sum of its proper divisors (1).

28255502543 is an equidigital number, since it uses as much as digits as its factorization.

28255502543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 28255502543 in words is "twenty-eight billion, two hundred fifty-five million, five hundred two thousand, five hundred forty-three".