1112455666689 has 4 divisors (see below), whose sum is σ = 1483274222256. Its totient is φ = 741637111124.

The previous prime is 1112455666613. The next prime is 1112455666691. The reversal of 1112455666689 is 9866665542111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112455666689 - 2¹³ = 1112455658497 is a prime.

It is a super-2 number, since 2×1112455666689² (a number of 25 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1112455666589) 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 in 3 ways as a sum of consecutive naturals, for example, 185409277779 + ... + 185409277784.

It is an arithmetic number, because the mean of its divisors is an integer number (370818555564).

Almost surely, 2^{1112455666689} is an apocalyptic number.

It is an amenable number.

1112455666689 is a deficient number, since it is larger than the sum of its proper divisors (370818555567).

1112455666689 is an equidigital number, since it uses as much as digits as its factorization.

1112455666689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370818555566.

The product of its digits is 18662400, while the sum is 60.

The spelling of 1112455666689 in words is "one trillion, one hundred twelve billion, four hundred fifty-five million, six hundred sixty-six thousand, six hundred eighty-nine".