1115354291 has 2 divisors, whose sum is σ = 1115354292. Its totient is φ = 1115354290.

The previous prime is 1115354269. The next prime is 1115354327. The reversal of 1115354291 is 1924535111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115354291 - 2¹⁴ = 1115337907 is a prime.

It is a super-2 number, since 2×1115354291² = 2488030388904225362, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1115354221) 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, 557677145 + 557677146.

It is an arithmetic number, because the mean of its divisors is an integer number (557677146).

Almost surely, 2^1115354291 is an apocalyptic number.

1115354291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115354291 is an equidigital number, since it uses as much as digits as its factorization.

1115354291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 1115354291 is about 33396.9203819753. The cubic root of 1115354291 is about 1037.0609485188.

The spelling of 1115354291 in words is "one billion, one hundred fifteen million, three hundred fifty-four thousand, two hundred ninety-one".