1109866464004 has 27 divisors (see below), whose sum is σ = 1957692818613. Its totient is φ = 550560145200.

The previous prime is 1109866463963. The next prime is 1109866464023. The reversal of 1109866464004 is 4004646689011.

The square root of 1109866464004 is 1053502.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 65791224004 + 1044075240000 = 256498^2 + 1021800^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 276015514 + ... + 276019534.

Almost surely, 2^{1109866464004} is an apocalyptic number.

1109866464004 is the 1053502-nd square number.

It is an amenable number.

1109866464004 is a deficient number, since it is larger than the sum of its proper divisors (847826354609).

1109866464004 is an frugal number, since it uses more digits than its factorization.

1109866464004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308 (or 4154 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

Multiplying 1109866464004 by its sum of digits (49), we get a square (54383456736196 = 7374514²).

The spelling of 1109866464004 in words is "one trillion, one hundred nine billion, eight hundred sixty-six million, four hundred sixty-four thousand, four".