1000111939993 has 2 divisors, whose sum is σ = 1000111939994. Its totient is φ = 1000111939992.

The previous prime is 1000111939963. The next prime is 1000111939997. The reversal of 1000111939993 is 3999391110001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 988566867289 + 11545072704 = 994267^2 + 107448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000111939993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000111939997) 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, 500055969996 + 500055969997.

It is an arithmetic number, because the mean of its divisors is an integer number (500055969997).

Almost surely, 2^{1000111939993} is an apocalyptic number.

It is an amenable number.

1000111939993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000111939993 is an equidigital number, since it uses as much as digits as its factorization.

1000111939993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59049, while the sum is 46.

The spelling of 1000111939993 in words is "one trillion, one hundred eleven million, nine hundred thirty-nine thousand, nine hundred ninety-three".