1117118458 has 4 divisors (see below), whose sum is σ = 1675677690. Its totient is φ = 558559228.

The previous prime is 1117118447. The next prime is 1117118459. The reversal of 1117118458 is 8548117111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8548117111 = 29 ⋅294762659.

It can be written as a sum of positive squares in only one way, i.e., 578739249 + 538379209 = 24057^2 + 23203^2 .

It is not an unprimeable number, because it can be changed into a prime (1117118459) 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, 279279613 + ... + 279279616.

Almost surely, 2^1117118458 is an apocalyptic number.

1117118458 is a deficient number, since it is larger than the sum of its proper divisors (558559232).

1117118458 is an equidigital number, since it uses as much as digits as its factorization.

1117118458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558559231.

The product of its digits is 8960, while the sum is 37.

The square root of 1117118458 is about 33423.3220670836. The cubic root of 1117118458 is about 1037.6074370378.

The spelling of 1117118458 in words is "one billion, one hundred seventeen million, one hundred eighteen thousand, four hundred fifty-eight".