11144171617 has 16 divisors (see below), whose sum is σ = 11735539200. Its totient is φ = 10567814400.

The previous prime is 11144171581. The next prime is 11144171627. The reversal of 11144171617 is 71617144111.

It is a cyclic number.

It is not a de Polignac number, because 11144171617 - 2¹⁵ = 11144138849 is a prime.

It is a super-2 number, since 2×11144171617² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144171627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443634 + ... + 1451332.

It is an arithmetic number, because the mean of its divisors is an integer number (733471200).

Almost surely, 2^11144171617 is an apocalyptic number.

It is an amenable number.

11144171617 is a deficient number, since it is larger than the sum of its proper divisors (591367583).

11144171617 is an equidigital number, since it uses as much as digits as its factorization.

11144171617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8664.

The product of its digits is 4704, while the sum is 34.

The spelling of 11144171617 in words is "eleven billion, one hundred forty-four million, one hundred seventy-one thousand, six hundred seventeen".