56118017738 has 32 divisors (see below), whose sum is σ = 85964920272. Its totient is φ = 27470464000.

The previous prime is 56118017731. The next prime is 56118017797. The reversal of 56118017738 is 83771081165.

It can be written as a sum of positive squares in 8 ways, for example, as 41037440929 + 15080576809 = 202577^2 + 122803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56118017692 and 56118017701.

It is not an unprimeable number, because it can be changed into a prime (56118017731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10520120 + ... + 10525452.

Almost surely, 2^56118017738 is an apocalyptic number.

56118017738 is a deficient number, since it is larger than the sum of its proper divisors (29846902534).

56118017738 is a wasteful number, since it uses less digits than its factorization.

56118017738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 56118017738 in words is "fifty-six billion, one hundred eighteen million, seventeen thousand, seven hundred thirty-eight".