20106789611 has 2 divisors, whose sum is σ = 20106789612. Its totient is φ = 20106789610.

The previous prime is 20106789509. The next prime is 20106789629. The reversal of 20106789611 is 11698760102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20106789611 - 2¹⁰ = 20106788587 is a prime.

It is a super-2 number, since 2×20106789611² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20106789671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053394805 + 10053394806.

It is an arithmetic number, because the mean of its divisors is an integer number (10053394806).

Almost surely, 2^20106789611 is an apocalyptic number.

20106789611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20106789611 is an equidigital number, since it uses as much as digits as its factorization.

20106789611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 20106789611 in words is "twenty billion, one hundred six million, seven hundred eighty-nine thousand, six hundred eleven".