11161441107869 has 4 divisors (see below), whose sum is σ = 12020013500796. Its totient is φ = 10302868714944.

The previous prime is 11161441107721. The next prime is 11161441107899. The reversal of 11161441107869 is 96870114416111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4078630671844 + 7082810436025 = 2019562^2 + 2661355^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11161441107869 is a prime.

It is a super-2 number, since 2×11161441107869² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161441107899) 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, 429286196444 + ... + 429286196469.

It is an arithmetic number, because the mean of its divisors is an integer number (3005003375199).

Almost surely, 2^{11161441107869} is an apocalyptic number.

It is an amenable number.

11161441107869 is a deficient number, since it is larger than the sum of its proper divisors (858572392927).

11161441107869 is an equidigital number, since it uses as much as digits as its factorization.

11161441107869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858572392926.

The product of its (nonzero) digits is 290304, while the sum is 50.

The spelling of 11161441107869 in words is "eleven trillion, one hundred sixty-one billion, four hundred forty-one million, one hundred seven thousand, eight hundred sixty-nine".