17950064120111 has 2 divisors, whose sum is σ = 17950064120112. Its totient is φ = 17950064120110.

The previous prime is 17950064120089. The next prime is 17950064120119. The reversal of 17950064120111 is 11102146005971.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17950064120111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17950064120119) 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, 8975032060055 + 8975032060056.

It is an arithmetic number, because the mean of its divisors is an integer number (8975032060056).

Almost surely, 2^{17950064120111} is an apocalyptic number.

17950064120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

17950064120111 is an equidigital number, since it uses as much as digits as its factorization.

17950064120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 17950064120111 in words is "seventeen trillion, nine hundred fifty billion, sixty-four million, one hundred twenty thousand, one hundred eleven".