1113205043117 has 2 divisors, whose sum is σ = 1113205043118. Its totient is φ = 1113205043116.

The previous prime is 1113205043089. The next prime is 1113205043123. The reversal of 1113205043117 is 7113405023111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735261660676 + 377943382441 = 857474^2 + 614771^2 .

It is an emirp because it is prime and its reverse (7113405023111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113205043117 - 2²² = 1113200848813 is a prime.

It is a super-2 number, since 2×1113205043117² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113205043117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113205046117) 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, 556602521558 + 556602521559.

It is an arithmetic number, because the mean of its divisors is an integer number (556602521559).

Almost surely, 2^{1113205043117} is an apocalyptic number.

It is an amenable number.

1113205043117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113205043117 is an equidigital number, since it uses as much as digits as its factorization.

1113205043117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 1113205043117 in words is "one trillion, one hundred thirteen billion, two hundred five million, forty-three thousand, one hundred seventeen".