28483851111 has 4 divisors (see below), whose sum is σ = 37978468152. Its totient is φ = 18989234072.

The previous prime is 28483851103. The next prime is 28483851133. The reversal of 28483851111 is 11115838482.

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 28483851111 - 2³ = 28483851103 is a prime.

It is a super-2 number, since 2×28483851111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28483851811) 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 in 3 ways as a sum of consecutive naturals, for example, 4747308516 + ... + 4747308521.

It is an arithmetic number, because the mean of its divisors is an integer number (9494617038).

Almost surely, 2^28483851111 is an apocalyptic number.

28483851111 is a deficient number, since it is larger than the sum of its proper divisors (9494617041).

28483851111 is an equidigital number, since it uses as much as digits as its factorization.

28483851111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494617040.

The product of its digits is 61440, while the sum is 42.

The spelling of 28483851111 in words is "twenty-eight billion, four hundred eighty-three million, eight hundred fifty-one thousand, one hundred eleven".