11231044161 has 8 divisors (see below), whose sum is σ = 14996090304. Its totient is φ = 7476680400.

The previous prime is 11231044151. The next prime is 11231044183. The reversal of 11231044161 is 16144013211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11231044161 - 2²⁵ = 11197489729 is a prime.

It is a super-2 number, since 2×11231044161² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231044151) 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, 2668141 + ... + 2672346.

It is an arithmetic number, because the mean of its divisors is an integer number (1874511288).

Almost surely, 2^11231044161 is an apocalyptic number.

It is an amenable number.

11231044161 is a deficient number, since it is larger than the sum of its proper divisors (3765046143).

11231044161 is an equidigital number, since it uses as much as digits as its factorization.

11231044161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341191.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 11231044161 its reverse (16144013211), we get a palindrome (27375057372).

The spelling of 11231044161 in words is "eleven billion, two hundred thirty-one million, forty-four thousand, one hundred sixty-one".