11560511005 has 16 divisors (see below), whose sum is σ = 14016680064. Its totient is φ = 9152452800.

The previous prime is 11560510963. The next prime is 11560511033. The reversal of 11560511005 is 50011506511.

11560511005 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 11560511005 - 2²³ = 11552122397 is a prime.

It is a super-2 number, since 2×11560511005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1411432 + ... + 1419598.

It is an arithmetic number, because the mean of its divisors is an integer number (876042504).

Almost surely, 2^11560511005 is an apocalyptic number.

It is an amenable number.

11560511005 is a deficient number, since it is larger than the sum of its proper divisors (2456169059).

11560511005 is a wasteful number, since it uses less digits than its factorization.

11560511005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11076.

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

The spelling of 11560511005 in words is "eleven billion, five hundred sixty million, five hundred eleven thousand, five".