28353533011 has 16 divisors (see below), whose sum is σ = 30851343936. Its totient is φ = 25948809216.

The previous prime is 28353533003. The next prime is 28353533017. The reversal of 28353533011 is 11033535382.

It is not a de Polignac number, because 28353533011 - 2³ = 28353533003 is a prime.

It is a super-2 number, since 2×28353533011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28353533017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105050 + ... + 1130416.

It is an arithmetic number, because the mean of its divisors is an integer number (1928208996).

Almost surely, 2^28353533011 is an apocalyptic number.

28353533011 is a deficient number, since it is larger than the sum of its proper divisors (2497810925).

28353533011 is a wasteful number, since it uses less digits than its factorization.

28353533011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27198.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 28353533011 in words is "twenty-eight billion, three hundred fifty-three million, five hundred thirty-three thousand, eleven".