28520368342303 has 2 divisors, whose sum is σ = 28520368342304. Its totient is φ = 28520368342302.

The previous prime is 28520368342283. The next prime is 28520368342327. The reversal of 28520368342303 is 30324386302582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28520368342303 - 2¹³ = 28520368334111 is a prime.

It is a super-2 number, since 2×28520368342303² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28520368342003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14260184171151 + 14260184171152.

It is an arithmetic number, because the mean of its divisors is an integer number (14260184171152).

Almost surely, 2^{28520368342303} is an apocalyptic number.

28520368342303 is a deficient number, since it is larger than the sum of its proper divisors (1).

28520368342303 is an equidigital number, since it uses as much as digits as its factorization.

28520368342303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 28520368342303 in words is "twenty-eight trillion, five hundred twenty billion, three hundred sixty-eight million, three hundred forty-two thousand, three hundred three".