1100800680 has 96 divisors (see below), whose sum is σ = 3841590240. Its totient is φ = 251610240.

The previous prime is 1100800651. The next prime is 1100800681. The reversal of 1100800680 is 860080011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1100800680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100800681) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 87726 + ... + 99485.

It is an arithmetic number, because the mean of its divisors is an integer number (40016565).

Almost surely, 2^1100800680 is an apocalyptic number.

1100800680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100800680 is an abundant number, since it is smaller than the sum of its proper divisors (2740789560).

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

1100800680 is a wasteful number, since it uses less digits than its factorization.

1100800680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187239 (or 187228 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1100800680 is about 33178.3164129827. The cubic root of 1100800680 is about 1032.5305171484.

Adding to 1100800680 its reverse (860080011), we get a palindrome (1960880691).

The spelling of 1100800680 in words is "one billion, one hundred million, eight hundred thousand, six hundred eighty".