11105550505655 has 32 divisors (see below), whose sum is σ = 14113695218688. Its totient is φ = 8371484352000.

The previous prime is 11105550505579. The next prime is 11105550505661. The reversal of 11105550505655 is 55650505550111.

It is not a de Polignac number, because 11105550505655 - 2³⁶ = 11036831028919 is a prime.

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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9239912 + ... + 10372418.

It is an arithmetic number, because the mean of its divisors is an integer number (441052975584).

Almost surely, 2^{11105550505655} is an apocalyptic number.

11105550505655 is a deficient number, since it is larger than the sum of its proper divisors (3008144713033).

11105550505655 is a wasteful number, since it uses less digits than its factorization.

11105550505655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133807.

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 11105550505655 in words is "eleven trillion, one hundred five billion, five hundred fifty million, five hundred five thousand, six hundred fifty-five".