19990034330111 has 2 divisors, whose sum is σ = 19990034330112. Its totient is φ = 19990034330110.

The previous prime is 19990034330099. The next prime is 19990034330129. The reversal of 19990034330111 is 11103343009991.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19990034330111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19990034330011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9995017165055 + 9995017165056.

It is an arithmetic number, because the mean of its divisors is an integer number (9995017165056).

Almost surely, 2^{19990034330111} is an apocalyptic number.

19990034330111 is a deficient number, since it is larger than the sum of its proper divisors (1).

19990034330111 is an equidigital number, since it uses as much as digits as its factorization.

19990034330111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 19990034330111 in words is "nineteen trillion, nine hundred ninety billion, thirty-four million, three hundred thirty thousand, one hundred eleven".