11116441161 has 16 divisors (see below), whose sum is σ = 18821488000. Its totient is φ = 6352251984.

The previous prime is 11116441157. The next prime is 11116441181. The reversal of 11116441161 is 16114461111.

11116441161 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 644 + 1 + 16 + 1 = 666.

It is not a de Polignac number, because 11116441161 - 2² = 11116441157 is a prime.

It is a super-3 number, since 3×11116441161³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11116441181) 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, 29408386 + ... + 29408763.

It is an arithmetic number, because the mean of its divisors is an integer number (1176343000).

Almost surely, 2^11116441161 is an apocalyptic number.

It is an amenable number.

11116441161 is a deficient number, since it is larger than the sum of its proper divisors (7705046839).

11116441161 is an equidigital number, since it uses as much as digits as its factorization.

11116441161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58817165 (or 58817159 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The spelling of 11116441161 in words is "eleven billion, one hundred sixteen million, four hundred forty-one thousand, one hundred sixty-one".