1115248819 has 2 divisors, whose sum is σ = 1115248820. Its totient is φ = 1115248818.

The previous prime is 1115248801. The next prime is 1115248829. The reversal of 1115248819 is 9188425111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115248819 - 2⁷ = 1115248691 is a prime.

It is a super-3 number, since 3×1115248819³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1115248829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557624409 + 557624410.

It is an arithmetic number, because the mean of its divisors is an integer number (557624410).

Almost surely, 2^1115248819 is an apocalyptic number.

1115248819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115248819 is an equidigital number, since it uses as much as digits as its factorization.

1115248819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 40.

The square root of 1115248819 is about 33395.3412768907. The cubic root of 1115248819 is about 1037.0282580571.

The spelling of 1115248819 in words is "one billion, one hundred fifteen million, two hundred forty-eight thousand, eight hundred nineteen".