1100330105500 has 96 divisors (see below), whose sum is σ = 2476865035008. Its totient is φ = 426710592000.

The previous prime is 1100330105473. The next prime is 1100330105569. The reversal of 1100330105500 is 55010330011.

It is a super-2 number, since 2×1100330105500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5092669 + ... + 5304331.

It is an arithmetic number, because the mean of its divisors is an integer number (25800677448).

Almost surely, 2^{1100330105500} is an apocalyptic number.

1100330105500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100330105500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238432517504).

1100330105500 is an abundant number, since it is smaller than the sum of its proper divisors (1376534929508).

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

1100330105500 is a wasteful number, since it uses less digits than its factorization.

1100330105500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212000 (or 211988 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

Adding to 1100330105500 its reverse (55010330011), we get a palindrome (1155340435511).

The spelling of 1100330105500 in words is "one trillion, one hundred billion, three hundred thirty million, one hundred five thousand, five hundred".