11155055017 has 8 divisors (see below), whose sum is σ = 11189505600. Its totient is φ = 11120642544.

The previous prime is 11155055003. The next prime is 11155055063. The reversal of 11155055017 is 71055055111.

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 11155055017 - 2²³ = 11146666409 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 11155055017.

It is not an unprimeable number, because it can be changed into a prime (11155050017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644683 + ... + 661759.

It is an arithmetic number, because the mean of its divisors is an integer number (1398688200).

Almost surely, 2^11155055017 is an apocalyptic number.

It is an amenable number.

11155055017 is a deficient number, since it is larger than the sum of its proper divisors (34450583).

11155055017 is a wasteful number, since it uses less digits than its factorization.

11155055017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19055.

The product of its (nonzero) digits is 4375, while the sum is 31.

The spelling of 11155055017 in words is "eleven billion, one hundred fifty-five million, fifty-five thousand, seventeen".