20143040111111 has 64 divisors (see below), whose sum is σ = 22042438336512. Its totient is φ = 18356935588992.

The previous prime is 20143040111101. The next prime is 20143040111179. The reversal of 20143040111111 is 11111104034102.

It is not a de Polignac number, because 20143040111111 - 2²² = 20143035916807 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 (20143040111101) 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 63 ways as a sum of consecutive naturals, for example, 6938696486 + ... + 6938699388.

It is an arithmetic number, because the mean of its divisors is an integer number (344413099008).

Almost surely, 2^{20143040111111} is an apocalyptic number.

20143040111111 is a deficient number, since it is larger than the sum of its proper divisors (1899398225401).

20143040111111 is a wasteful number, since it uses less digits than its factorization.

20143040111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 20143040111111 its reverse (11111104034102), we get a palindrome (31254144145213).

The spelling of 20143040111111 in words is "twenty trillion, one hundred forty-three billion, forty million, one hundred eleven thousand, one hundred eleven".