56804821185 has 24 divisors (see below), whose sum is σ = 105726525696. Its totient is φ = 25967917920.

The previous prime is 56804821133. The next prime is 56804821201. The reversal of 56804821185 is 58112840865.

It is not a de Polignac number, because 56804821185 - 2⁶ = 56804821121 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38642001 + ... + 38643470.

It is an arithmetic number, because the mean of its divisors is an integer number (4405271904).

Almost surely, 2^56804821185 is an apocalyptic number.

It is an amenable number.

56804821185 is a deficient number, since it is larger than the sum of its proper divisors (48921704511).

56804821185 is a wasteful number, since it uses less digits than its factorization.

56804821185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77285493 (or 77285486 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 56804821185 in words is "fifty-six billion, eight hundred four million, eight hundred twenty-one thousand, one hundred eighty-five".