1115347999 has 2 divisors, whose sum is σ = 1115348000. Its totient is φ = 1115347998.

The previous prime is 1115347931. The next prime is 1115348009. The reversal of 1115347999 is 9997435111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115347999 - 2¹¹ = 1115345951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115347799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557673999 + 557674000.

It is an arithmetic number, because the mean of its divisors is an integer number (557674000).

Almost surely, 2^1115347999 is an apocalyptic number.

1115347999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115347999 is an equidigital number, since it uses as much as digits as its factorization.

1115347999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 49.

The square root of 1115347999 is about 33396.8261815401. The cubic root of 1115347999 is about 1037.0589984061.

The spelling of 1115347999 in words is "one billion, one hundred fifteen million, three hundred forty-seven thousand, nine hundred ninety-nine".