1123144466668 has 48 divisors (see below), whose sum is σ = 2345602775040. Its totient is φ = 460095539904.

The previous prime is 1123144466621. The next prime is 1123144466669. The reversal of 1123144466668 is 8666644413211.

It is a super-2 number, since 2×1123144466668² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123144466669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303618 + ... + 1529206.

It is an arithmetic number, because the mean of its divisors is an integer number (48866724480).

Almost surely, 2^{1123144466668} is an apocalyptic number.

It is an amenable number.

1123144466668 is an abundant number, since it is smaller than the sum of its proper divisors (1222458308372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123144466668 is a wasteful number, since it uses less digits than its factorization.

1123144466668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227046 (or 1227044 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 52.

Adding to 1123144466668 its reverse (8666644413211), we get a palindrome (9789788879879).

The spelling of 1123144466668 in words is "one trillion, one hundred twenty-three billion, one hundred forty-four million, four hundred sixty-six thousand, six hundred sixty-eight".