20410543411411 has 4 divisors (see below), whose sum is σ = 20412534111552. Its totient is φ = 20408552711272.

The previous prime is 20410543411403. The next prime is 20410543411421. The reversal of 20410543411411 is 11411434501402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20410543411411 - 2³ = 20410543411403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20410543411421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995334691 + ... + 995355196.

It is an arithmetic number, because the mean of its divisors is an integer number (5103133527888).

Almost surely, 2^{20410543411411} is an apocalyptic number.

20410543411411 is a deficient number, since it is larger than the sum of its proper divisors (1990700141).

20410543411411 is a wasteful number, since it uses less digits than its factorization.

20410543411411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990700140.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 20410543411411 its reverse (11411434501402), we get a palindrome (31821977912813).

The spelling of 20410543411411 in words is "twenty trillion, four hundred ten billion, five hundred forty-three million, four hundred eleven thousand, four hundred eleven".