1123155026666 has 8 divisors (see below), whose sum is σ = 1686764789220. Its totient is φ = 560900096928.

The previous prime is 1123155026629. The next prime is 1123155026671. The reversal of 1123155026666 is 6666205513211.

It can be written as a sum of positive squares in 2 ways, for example, as 1120996030441 + 2158996225 = 1058771^2 + 46465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1123155026666² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338706131 + ... + 338709446.

Almost surely, 2^{1123155026666} is an apocalyptic number.

1123155026666 is a deficient number, since it is larger than the sum of its proper divisors (563609762554).

1123155026666 is an equidigital number, since it uses as much as digits as its factorization.

1123155026666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677416408.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 1123155026666 in words is "one trillion, one hundred twenty-three billion, one hundred fifty-five million, twenty-six thousand, six hundred sixty-six".