1112566669 has 2 divisors, whose sum is σ = 1112566670. Its totient is φ = 1112566668.

The previous prime is 1112566667. The next prime is 1112566681. The reversal of 1112566669 is 9666652111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986274025 + 126292644 = 31405^2 + 11238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112566669 - 2¹ = 1112566667 is a prime.

It is a super-2 number, since 2×1112566669² = 2475609185939511122, which contains 22 as substring.

Together with 1112566667, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112566667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556283334 + 556283335.

It is an arithmetic number, because the mean of its divisors is an integer number (556283335).

Almost surely, 2^1112566669 is an apocalyptic number.

It is an amenable number.

1112566669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112566669 is an equidigital number, since it uses as much as digits as its factorization.

1112566669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 1112566669 is about 33355.1595559068. The cubic root of 1112566669 is about 1036.1962469795.

The spelling of 1112566669 in words is "one billion, one hundred twelve million, five hundred sixty-six thousand, six hundred sixty-nine".