11155098417217 has 4 divisors (see below), whose sum is σ = 11158625166640. Its totient is φ = 11151571667796.

The previous prime is 11155098417187. The next prime is 11155098417223. The reversal of 11155098417217 is 71271489055111.

11155098417217 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11155098417217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11155098417517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763369967 + ... + 1763376292.

It is an arithmetic number, because the mean of its divisors is an integer number (2789656291660).

Almost surely, 2^{11155098417217} is an apocalyptic number.

It is an amenable number.

11155098417217 is a deficient number, since it is larger than the sum of its proper divisors (3526749423).

11155098417217 is an equidigital number, since it uses as much as digits as its factorization.

11155098417217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526749422.

The product of its (nonzero) digits is 705600, while the sum is 52.

The spelling of 11155098417217 in words is "eleven trillion, one hundred fifty-five billion, ninety-eight million, four hundred seventeen thousand, two hundred seventeen".