20411211043 has 2 divisors, whose sum is σ = 20411211044. Its totient is φ = 20411211042.

The previous prime is 20411210977. The next prime is 20411211049. The reversal of 20411211043 is 34011211402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20411211043 - 2²⁹ = 19874340131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20411211043.

It is not a weakly prime, because it can be changed into another prime (20411211049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205605521 + 10205605522.

It is an arithmetic number, because the mean of its divisors is an integer number (10205605522).

Almost surely, 2^20411211043 is an apocalyptic number.

20411211043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411211043 is an equidigital number, since it uses as much as digits as its factorization.

20411211043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20411211043 its reverse (34011211402), we get a palindrome (54422422445).

The spelling of 20411211043 in words is "twenty billion, four hundred eleven million, two hundred eleven thousand, forty-three".