1100999999993 has 2 divisors, whose sum is σ = 1100999999994. Its totient is φ = 1100999999992.

The previous prime is 1100999999929. The next prime is 1101000000029. The reversal of 1100999999993 is 3999999990011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906755304169 + 194244695824 = 952237^2 + 440732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100999999993 - 2⁶ = 1100999999929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100999999893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550499999996 + 550499999997.

It is an arithmetic number, because the mean of its divisors is an integer number (550499999997).

Almost surely, 2^{1100999999993} is an apocalyptic number.

It is an amenable number.

1100999999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100999999993 is an equidigital number, since it uses as much as digits as its factorization.

1100999999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129140163, while the sum is 77.

The spelling of 1100999999993 in words is "one trillion, one hundred billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".