1117158019 has 2 divisors, whose sum is σ = 1117158020. Its totient is φ = 1117158018.

The previous prime is 1117158011. The next prime is 1117158059. The reversal of 1117158019 is 9108517111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117158019 - 2³ = 1117158011 is a prime.

It is a super-2 number, since 2×1117158019² = 2496084078832008722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1117158011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558579009 + 558579010.

It is an arithmetic number, because the mean of its divisors is an integer number (558579010).

Almost surely, 2^1117158019 is an apocalyptic number.

1117158019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117158019 is an equidigital number, since it uses as much as digits as its factorization.

1117158019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 34.

The square root of 1117158019 is about 33423.9138791375. The cubic root of 1117158019 is about 1037.6196853072.

The spelling of 1117158019 in words is "one billion, one hundred seventeen million, one hundred fifty-eight thousand, nineteen".