11560105655 has 16 divisors (see below), whose sum is σ = 16786440000. Its totient is φ = 7460639232.

The previous prime is 11560105643. The next prime is 11560105717. The reversal of 11560105655 is 55650106511.

11560105655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11560105655 - 2⁴ = 11560105639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 9713780 + ... + 9714969.

It is an arithmetic number, because the mean of its divisors is an integer number (1049152500).

Almost surely, 2^11560105655 is an apocalyptic number.

11560105655 is a deficient number, since it is larger than the sum of its proper divisors (5226334345).

11560105655 is a wasteful number, since it uses less digits than its factorization.

11560105655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19428778.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 11560105655 in words is "eleven billion, five hundred sixty million, one hundred five thousand, six hundred fifty-five".