56000005011 has 12 divisors (see below), whose sum is σ = 80974324392. Its totient is φ = 37293908256.

The previous prime is 56000004989. The next prime is 56000005049. The reversal of 56000005011 is 11050000065.

56000005011 is a `hidden beast` number, since 5 + 600 + 0 + 0 + 0 + 50 + 11 = 666.

It is not a de Polignac number, because 56000005011 - 2⁵ = 56000004979 is a prime.

It is a super-2 number, since 2×56000005011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56000005081) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3276706 + ... + 3293751.

It is an arithmetic number, because the mean of its divisors is an integer number (6747860366).

Almost surely, 2^56000005011 is an apocalyptic number.

56000005011 is a deficient number, since it is larger than the sum of its proper divisors (24974319381).

56000005011 is a wasteful number, since it uses less digits than its factorization.

56000005011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571410 (or 6571407 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 56000005011 its reverse (11050000065), we get a palindrome (67050005076).

The spelling of 56000005011 in words is "fifty-six billion, five thousand, eleven".