28300263111 has 16 divisors (see below), whose sum is σ = 42203979520. Its totient is φ = 18741893400.

The previous prime is 28300263073. The next prime is 28300263119. The reversal of 28300263111 is 11136200382.

It is a happy number.

28300263111 is a `hidden beast` number, since 28 + 3 + 0 + 0 + 2 + 631 + 1 + 1 = 666.

It is not a de Polignac number, because 28300263111 - 2¹⁰ = 28300262087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28300263119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3466645 + ... + 3474798.

It is an arithmetic number, because the mean of its divisors is an integer number (2637748720).

Almost surely, 2^28300263111 is an apocalyptic number.

28300263111 is a deficient number, since it is larger than the sum of its proper divisors (13903716409).

28300263111 is a wasteful number, since it uses less digits than its factorization.

28300263111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941603 (or 6941597 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 28300263111 its reverse (11136200382), we get a palindrome (39436463493).

The spelling of 28300263111 in words is "twenty-eight billion, three hundred million, two hundred sixty-three thousand, one hundred eleven".