56100005511 has 16 divisors (see below), whose sum is σ = 85894746240. Its totient is φ = 32210529120.

The previous prime is 56100005501. The next prime is 56100005531. The reversal of 56100005511 is 11550000165.

56100005511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56100005511 - 2⁶ = 56100005447 is a prime.

It is a super-2 number, since 2×56100005511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56100005501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44736220 + ... + 44737473.

It is an arithmetic number, because the mean of its divisors is an integer number (5368421640).

Almost surely, 2^56100005511 is an apocalyptic number.

56100005511 is a deficient number, since it is larger than the sum of its proper divisors (29794740729).

56100005511 is a wasteful number, since it uses less digits than its factorization.

56100005511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89473726.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 56100005511 its reverse (11550000165), we get a palindrome (67650005676).

The spelling of 56100005511 in words is "fifty-six billion, one hundred million, five thousand, five hundred eleven".