1115395027 has 2 divisors, whose sum is σ = 1115395028. Its totient is φ = 1115395026.

The previous prime is 1115394983. The next prime is 1115395031. The reversal of 1115395027 is 7205935111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115395027 - 2²³ = 1107006419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115394983 and 1115395001.

It is not a weakly prime, because it can be changed into another prime (1115395087) 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, 557697513 + 557697514.

It is an arithmetic number, because the mean of its divisors is an integer number (557697514).

Almost surely, 2^1115395027 is an apocalyptic number.

1115395027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115395027 is an equidigital number, since it uses as much as digits as its factorization.

1115395027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 1115395027 is about 33397.5302529992. The cubic root of 1115395027 is about 1037.0735738645.

The spelling of 1115395027 in words is "one billion, one hundred fifteen million, three hundred ninety-five thousand, twenty-seven".