11041855807 has 4 divisors (see below), whose sum is σ = 11398044736. Its totient is φ = 10685666880.

The previous prime is 11041855777. The next prime is 11041855813. The reversal of 11041855807 is 70855814011.

11041855807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11041855807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11041855807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041855817) 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 3 ways as a sum of consecutive naturals, for example, 178094418 + ... + 178094479.

It is an arithmetic number, because the mean of its divisors is an integer number (2849511184).

Almost surely, 2^11041855807 is an apocalyptic number.

11041855807 is a deficient number, since it is larger than the sum of its proper divisors (356188929).

11041855807 is an equidigital number, since it uses as much as digits as its factorization.

11041855807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356188928.

The product of its (nonzero) digits is 44800, while the sum is 40.

The spelling of 11041855807 in words is "eleven billion, forty-one million, eight hundred fifty-five thousand, eight hundred seven".