1123868505268 has 12 divisors (see below), whose sum is σ = 1967993772192. Its totient is φ = 561584570360.

The previous prime is 1123868505257. The next prime is 1123868505271. The reversal of 1123868505268 is 8625058683211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87413338 + ... + 87426193.

It is an arithmetic number, because the mean of its divisors is an integer number (163999481016).

Almost surely, 2^{1123868505268} is an apocalyptic number.

It is an amenable number.

1123868505268 is a deficient number, since it is larger than the sum of its proper divisors (844125266924).

1123868505268 is a wasteful number, since it uses less digits than its factorization.

1123868505268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174841142 (or 174841140 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 1123868505268 in words is "one trillion, one hundred twenty-three billion, eight hundred sixty-eight million, five hundred five thousand, two hundred sixty-eight".