11141105421 has 8 divisors (see below), whose sum is σ = 15367042080. Its totient is φ = 7171286192.

The previous prime is 11141105383. The next prime is 11141105471. The reversal of 11141105421 is 12450114111.

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

It is a cyclic number.

It is not a de Polignac number, because 11141105421 - 2¹⁸ = 11140843277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141105471) 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, 64029255 + ... + 64029428.

It is an arithmetic number, because the mean of its divisors is an integer number (1920880260).

Almost surely, 2^11141105421 is an apocalyptic number.

It is an amenable number.

11141105421 is a deficient number, since it is larger than the sum of its proper divisors (4225936659).

11141105421 is a wasteful number, since it uses less digits than its factorization.

11141105421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128058715.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 11141105421 its reverse (12450114111), we get a palindrome (23591219532).

The spelling of 11141105421 in words is "eleven billion, one hundred forty-one million, one hundred five thousand, four hundred twenty-one".