1128287664044 has 12 divisors (see below), whose sum is σ = 1974568281000. Its totient is φ = 564125298048.

The previous prime is 1128287664037. The next prime is 1128287664083. The reversal of 1128287664044 is 4404667828211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4496069 + ... + 4740380.

It is an arithmetic number, because the mean of its divisors is an integer number (164547356750).

Almost surely, 2^{1128287664044} is an apocalyptic number.

It is an amenable number.

1128287664044 is a deficient number, since it is larger than the sum of its proper divisors (846280616956).

1128287664044 is a wasteful number, since it uses less digits than its factorization.

1128287664044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9266992 (or 9266990 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 1128287664044 in words is "one trillion, one hundred twenty-eight billion, two hundred eighty-seven million, six hundred sixty-four thousand, forty-four".