18056532848 has 20 divisors (see below), whose sum is σ = 35260005120. Its totient is φ = 8957176704.

The previous prime is 18056532841. The next prime is 18056532859. The reversal of 18056532848 is 84823565081.

It is a super-2 number, since 2×18056532848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18056532796 and 18056532805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18056532841) 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 3 ways as a sum of consecutive naturals, for example, 4441013 + ... + 4445076.

It is an arithmetic number, because the mean of its divisors is an integer number (1763000256).

Almost surely, 2^18056532848 is an apocalyptic number.

It is an amenable number.

18056532848 is a deficient number, since it is larger than the sum of its proper divisors (17203472272).

18056532848 is a wasteful number, since it uses less digits than its factorization.

18056532848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886224 (or 8886218 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 18056532848 in words is "eighteen billion, fifty-six million, five hundred thirty-two thousand, eight hundred forty-eight".