11443100011421 has 16 divisors (see below), whose sum is σ = 12548170177536. Its totient is φ = 10371446395776.

The previous prime is 11443100011403. The next prime is 11443100011429. The reversal of 11443100011421 is 12411000134411.

It is a cyclic number.

It is not a de Polignac number, because 11443100011421 - 2³⁸ = 11168222104477 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 (11443100011429) 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 15 ways as a sum of consecutive naturals, for example, 26824385 + ... + 27247638.

It is an arithmetic number, because the mean of its divisors is an integer number (784260636096).

Almost surely, 2^{11443100011421} is an apocalyptic number.

It is an amenable number.

11443100011421 is a deficient number, since it is larger than the sum of its proper divisors (1105070166115).

11443100011421 is a wasteful number, since it uses less digits than its factorization.

11443100011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54072332.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 11443100011421 its reverse (12411000134411), we get a palindrome (23854100145832).

The spelling of 11443100011421 in words is "eleven trillion, four hundred forty-three billion, one hundred million, eleven thousand, four hundred twenty-one".