1118217283 has 2 divisors, whose sum is σ = 1118217284. Its totient is φ = 1118217282.

The previous prime is 1118217277. The next prime is 1118217307. The reversal of 1118217283 is 3827128111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118217283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118217263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559108641 + 559108642.

It is an arithmetic number, because the mean of its divisors is an integer number (559108642).

Almost surely, 2^1118217283 is an apocalyptic number.

1118217283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118217283 is an equidigital number, since it uses as much as digits as its factorization.

1118217283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 34.

The square root of 1118217283 is about 33439.7560248277. The cubic root of 1118217283 is about 1037.9475308933.

The spelling of 1118217283 in words is "one billion, one hundred eighteen million, two hundred seventeen thousand, two hundred eighty-three".