28883351511 has 12 divisors (see below), whose sum is σ = 47680453392. Its totient is φ = 16504772256.

The previous prime is 28883351501. The next prime is 28883351557. The reversal of 28883351511 is 11515338882.

28883351511 is a `hidden beast` number, since 2 + 8 + 8 + 83 + 3 + 51 + 511 = 666.

It is not a de Polignac number, because 28883351511 - 2⁷ = 28883351383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28883351501) 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 in 11 ways as a sum of consecutive naturals, for example, 229232886 + ... + 229233011.

It is an arithmetic number, because the mean of its divisors is an integer number (3973371116).

Almost surely, 2^28883351511 is an apocalyptic number.

28883351511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28883351511 is a deficient number, since it is larger than the sum of its proper divisors (18797101881).

28883351511 is a wasteful number, since it uses less digits than its factorization.

28883351511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458465910 (or 458465907 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The spelling of 28883351511 in words is "twenty-eight billion, eight hundred eighty-three million, three hundred fifty-one thousand, five hundred eleven".