11560555555 has 8 divisors (see below), whose sum is σ = 13925416032. Its totient is φ = 9213278208.

The previous prime is 11560555541. The next prime is 11560555571. The reversal of 11560555555 is 55555506511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11560555555 - 2⁹ = 11560555043 is a prime.

It is a Duffinian number.

11560555555 is a modest number, since divided by 555555 gives 11560 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4394334 + ... + 4396963.

It is an arithmetic number, because the mean of its divisors is an integer number (1740677004).

Almost surely, 2^11560555555 is an apocalyptic number.

11560555555 is a deficient number, since it is larger than the sum of its proper divisors (2364860477).

11560555555 is an equidigital number, since it uses as much as digits as its factorization.

11560555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791565.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 11560555555 in words is "eleven billion, five hundred sixty million, five hundred fifty-five thousand, five hundred fifty-five".