11040431111121 has 8 divisors (see below), whose sum is σ = 14721414190240. Its totient is φ = 7359867719712.

The previous prime is 11040431111119. The next prime is 11040431111123. The reversal of 11040431111121 is 12111113404011.

It is an interprime number because it is at equal distance from previous prime (11040431111119) and next prime (11040431111123).

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

It is not a de Polignac number, because 11040431111121 - 2¹ = 11040431111119 is a prime.

It is a super-2 number, since 2×11040431111121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040431111123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104860540 + ... + 104965773.

It is an arithmetic number, because the mean of its divisors is an integer number (1840176773780).

Almost surely, 2^{11040431111121} is an apocalyptic number.

It is an amenable number.

11040431111121 is a deficient number, since it is larger than the sum of its proper divisors (3680983079119).

11040431111121 is a wasteful number, since it uses less digits than its factorization.

11040431111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209843855.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 11040431111121 its reverse (12111113404011), we get a palindrome (23151544515132).

The spelling of 11040431111121 in words is "eleven trillion, forty billion, four hundred thirty-one million, one hundred eleven thousand, one hundred twenty-one".