1109803700028 has 48 divisors (see below), whose sum is σ = 2621232141696. Its totient is φ = 365409069120.

The previous prime is 1109803700021. The next prime is 1109803700041. The reversal of 1109803700028 is 8200073089011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109803700021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5359458 + ... + 5562678.

It is an arithmetic number, because the mean of its divisors is an integer number (54609002952).

Almost surely, 2^{1109803700028} is an apocalyptic number.

It is an amenable number.

1109803700028 is an abundant number, since it is smaller than the sum of its proper divisors (1511428441668).

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

1109803700028 is a wasteful number, since it uses less digits than its factorization.

1109803700028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208794 (or 208792 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

Adding to 1109803700028 its reverse (8200073089011), we get a palindrome (9309876789039).

The spelling of 1109803700028 in words is "one trillion, one hundred nine billion, eight hundred three million, seven hundred thousand, twenty-eight".