13044011231421 has 24 divisors (see below), whose sum is σ = 18862843970880. Its totient is φ = 8686088364096.

The previous prime is 13044011231417. The next prime is 13044011231437. The reversal of 13044011231421 is 12413211044031.

It is a happy number.

13044011231421 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 4 + 0 + 1 + 1 + 231 + 421 = 666.

It is not a de Polignac number, because 13044011231421 - 2² = 13044011231417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044011231821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133217760 + ... + 133315638.

It is an arithmetic number, because the mean of its divisors is an integer number (785951832120).

Almost surely, 2^{13044011231421} is an apocalyptic number.

It is an amenable number.

13044011231421 is a deficient number, since it is larger than the sum of its proper divisors (5818832739459).

13044011231421 is a wasteful number, since it uses less digits than its factorization.

13044011231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114625 (or 114622 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13044011231421 its reverse (12413211044031), we get a palindrome (25457222275452).

The spelling of 13044011231421 in words is "thirteen trillion, forty-four billion, eleven million, two hundred thirty-one thousand, four hundred twenty-one".