56800418018 has 4 divisors (see below), whose sum is σ = 85200627030. Its totient is φ = 28400209008.

The previous prime is 56800417937. The next prime is 56800418029. The reversal of 56800418018 is 81081400865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39552061129 + 17248356889 = 198877^2 + 131333^2 .

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 as a sum of consecutive naturals, namely, 14200104503 + ... + 14200104506.

Almost surely, 2^56800418018 is an apocalyptic number.

56800418018 is a deficient number, since it is larger than the sum of its proper divisors (28400209012).

56800418018 is a wasteful number, since it uses less digits than its factorization.

56800418018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28400209011.

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 56800418018 in words is "fifty-six billion, eight hundred million, four hundred eighteen thousand, eighteen".