20111341044413 has 16 divisors (see below), whose sum is σ = 20588371219584. Its totient is φ = 19641262571520.

The previous prime is 20111341044397. The next prime is 20111341044437. The reversal of 20111341044413 is 31444014311102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20111341044413 - 2⁴ = 20111341044397 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 (20111341049413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102433 + ... + 6437238.

It is an arithmetic number, because the mean of its divisors is an integer number (1286773201224).

Almost surely, 2^{20111341044413} is an apocalyptic number.

It is an amenable number.

20111341044413 is a deficient number, since it is larger than the sum of its proper divisors (477030175171).

20111341044413 is a wasteful number, since it uses less digits than its factorization.

20111341044413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540132.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 20111341044413 its reverse (31444014311102), we get a palindrome (51555355355515).

The spelling of 20111341044413 in words is "twenty trillion, one hundred eleven billion, three hundred forty-one million, forty-four thousand, four hundred thirteen".