320126200430111 has 2 divisors, whose sum is σ = 320126200430112. Its totient is φ = 320126200430110.

The previous prime is 320126200430093. The next prime is 320126200430137. The reversal of 320126200430111 is 111034002621023.

It is a happy number.

It is an a-pointer prime, because the next prime (320126200430137) can be obtained adding 320126200430111 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320126200430111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320126200430161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160063100215055 + 160063100215056.

It is an arithmetic number, because the mean of its divisors is an integer number (160063100215056).

Almost surely, 2^{320126200430111} is an apocalyptic number.

320126200430111 is a deficient number, since it is larger than the sum of its proper divisors (1).

320126200430111 is an equidigital number, since it uses as much as digits as its factorization.

320126200430111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 320126200430111 in words is "three hundred twenty trillion, one hundred twenty-six billion, two hundred million, four hundred thirty thousand, one hundred eleven".