28545301203 has 4 divisors (see below), whose sum is σ = 38060401608. Its totient is φ = 19030200800.

The previous prime is 28545301163. The next prime is 28545301207. The reversal of 28545301203 is 30210354582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28545301203 - 2¹² = 28545297107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28545301207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4757550198 + ... + 4757550203.

It is an arithmetic number, because the mean of its divisors is an integer number (9515100402).

Almost surely, 2^28545301203 is an apocalyptic number.

28545301203 is a deficient number, since it is larger than the sum of its proper divisors (9515100405).

28545301203 is an equidigital number, since it uses as much as digits as its factorization.

28545301203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515100404.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 28545301203 its reverse (30210354582), we get a palindrome (58755655785).

The spelling of 28545301203 in words is "twenty-eight billion, five hundred forty-five million, three hundred one thousand, two hundred three".