56115006011 has 16 divisors (see below), whose sum is σ = 59339952000. Its totient is φ = 52917480000.

The previous prime is 56115005993. The next prime is 56115006041. The reversal of 56115006011 is 11060051165.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56115006011 is a prime.

It is a super-2 number, since 2×56115006011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56115006041) 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 15 ways as a sum of consecutive naturals, for example, 12068015 + ... + 12072663.

It is an arithmetic number, because the mean of its divisors is an integer number (3708747000).

Almost surely, 2^56115006011 is an apocalyptic number.

56115006011 is a deficient number, since it is larger than the sum of its proper divisors (3224945989).

56115006011 is a wasteful number, since it uses less digits than its factorization.

56115006011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 56115006011 its reverse (11060051165), we get a palindrome (67175057176).

The spelling of 56115006011 in words is "fifty-six billion, one hundred fifteen million, six thousand, eleven".