56110005511 has 32 divisors (see below), whose sum is σ = 67372259328. Its totient is φ = 45688917120.

The previous prime is 56110005499. The next prime is 56110005541. The reversal of 56110005511 is 11550001165.

It is not a de Polignac number, because 56110005511 - 2¹³ = 56109997319 is a prime.

It is a super-2 number, since 2×56110005511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56110005541) 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 31 ways as a sum of consecutive naturals, for example, 23564541 + ... + 23566921.

It is an arithmetic number, because the mean of its divisors is an integer number (2105383104).

Almost surely, 2^56110005511 is an apocalyptic number.

56110005511 is a deficient number, since it is larger than the sum of its proper divisors (11262253817).

56110005511 is a wasteful number, since it uses less digits than its factorization.

56110005511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 56110005511 its reverse (11550001165), we get a palindrome (67660006676).

The spelling of 56110005511 in words is "fifty-six billion, one hundred ten million, five thousand, five hundred eleven".