1118917138337 has 4 divisors (see below), whose sum is σ = 1122446845716. Its totient is φ = 1115387430960.

The previous prime is 1118917138333. The next prime is 1118917138369. The reversal of 1118917138337 is 7338317198111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 593232686656 + 525684451681 = 770216^2 + 725041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118917138337 - 2² = 1118917138333 is a prime.

It is a super-2 number, since 2×1118917138337² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118917138333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764853214 + ... + 1764853847.

It is an arithmetic number, because the mean of its divisors is an integer number (280611711429).

Almost surely, 2^{1118917138337} is an apocalyptic number.

It is an amenable number.

1118917138337 is a deficient number, since it is larger than the sum of its proper divisors (3529707379).

1118917138337 is an equidigital number, since it uses as much as digits as its factorization.

1118917138337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529707378.

The product of its digits is 762048, while the sum is 53.

The spelling of 1118917138337 in words is "one trillion, one hundred eighteen billion, nine hundred seventeen million, one hundred thirty-eight thousand, three hundred thirty-seven".