1117018013 has 2 divisors, whose sum is σ = 1117018014. Its totient is φ = 1117018012.

The previous prime is 1117017991. The next prime is 1117018061. The reversal of 1117018013 is 3108107111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 821796889 + 295221124 = 28667^2 + 17182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117018013 - 2⁸ = 1117017757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1117018013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117018093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558509006 + 558509007.

It is an arithmetic number, because the mean of its divisors is an integer number (558509007).

Almost surely, 2^1117018013 is an apocalyptic number.

It is an amenable number.

1117018013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117018013 is an equidigital number, since it uses as much as digits as its factorization.

1117018013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 23.

The square root of 1117018013 is about 33421.8194148673. The cubic root of 1117018013 is about 1037.5763375001.

The spelling of 1117018013 in words is "one billion, one hundred seventeen million, eighteen thousand, thirteen".