20541045411983 has 16 divisors (see below), whose sum is σ = 20612198792640. Its totient is φ = 20470047687936.

The previous prime is 20541045411911. The next prime is 20541045412001. The reversal of 20541045411983 is 38911454014502.

It is a cyclic number.

It is not a de Polignac number, because 20541045411983 - 2¹⁸ = 20541045149839 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 (20541045411583) 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, 840490478 + ... + 840514916.

It is an arithmetic number, because the mean of its divisors is an integer number (1288262424540).

Almost surely, 2^{20541045411983} is an apocalyptic number.

20541045411983 is a deficient number, since it is larger than the sum of its proper divisors (71153380657).

20541045411983 is a wasteful number, since it uses less digits than its factorization.

20541045411983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27506.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 20541045411983 in words is "twenty trillion, five hundred forty-one billion, forty-five million, four hundred eleven thousand, nine hundred eighty-three".