11121441120423 has 12 divisors (see below), whose sum is σ = 16064343054760. Its totient is φ = 7414275981456.

The previous prime is 11121441120407. The next prime is 11121441120457. The reversal of 11121441120423 is 32402114412111.

11121441120423 is a `hidden beast` number, since 1 + 1 + 1 + 21 + 4 + 411 + 204 + 23 = 666.

It is not a de Polignac number, because 11121441120423 - 2⁴ = 11121441120407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121441120323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3136248 + ... + 5663826.

Almost surely, 2^{11121441120423} is an apocalyptic number.

11121441120423 is a deficient number, since it is larger than the sum of its proper divisors (4942901934337).

11121441120423 is a wasteful number, since it uses less digits than its factorization.

11121441120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016478 (or 3016475 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 11121441120423 its reverse (32402114412111), we get a palindrome (43523555532534).

The spelling of 11121441120423 in words is "eleven trillion, one hundred twenty-one billion, four hundred forty-one million, one hundred twenty thousand, four hundred twenty-three".