20411403104011 has 4 divisors (see below), whose sum is σ = 20602163880792. Its totient is φ = 20220642327232.

The previous prime is 20411403103963. The next prime is 20411403104039. The reversal of 20411403104011 is 11040130411402.

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 20411403104011 - 2²¹ = 20411401006859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20411403104051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95380388230 + ... + 95380388443.

It is an arithmetic number, because the mean of its divisors is an integer number (5150540970198).

Almost surely, 2^{20411403104011} is an apocalyptic number.

20411403104011 is a deficient number, since it is larger than the sum of its proper divisors (190760776781).

20411403104011 is a wasteful number, since it uses less digits than its factorization.

20411403104011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190760776780.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20411403104011 its reverse (11040130411402), we get a palindrome (31451533515413).

The spelling of 20411403104011 in words is "twenty trillion, four hundred eleven billion, four hundred three million, one hundred four thousand, eleven".