1116253289 has 2 divisors, whose sum is σ = 1116253290. Its totient is φ = 1116253288.

The previous prime is 1116253253. The next prime is 1116253309. The reversal of 1116253289 is 9823526111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 934219225 + 182034064 = 30565^2 + 13492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116253289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1116253189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558126644 + 558126645.

It is an arithmetic number, because the mean of its divisors is an integer number (558126645).

Almost surely, 2^1116253289 is an apocalyptic number.

It is an amenable number.

1116253289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116253289 is an equidigital number, since it uses as much as digits as its factorization.

1116253289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 1116253289 is about 33410.3769658470. The cubic root of 1116253289 is about 1037.3395043553.

The spelling of 1116253289 in words is "one billion, one hundred sixteen million, two hundred fifty-three thousand, two hundred eighty-nine".