1100109960 has 96 divisors (see below), whose sum is σ = 3579652440. Its totient is φ = 293010432.

The previous prime is 1100109953. The next prime is 1100109961. The reversal of 1100109960 is 699010011.

It can be written as a sum of positive squares in 4 ways, for example, as 638977284 + 461132676 = 25278^2 + 21474^2 .

It is not an unprimeable number, because it can be changed into a prime (1100109961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458524 + ... + 460916.

Almost surely, 2^1100109960 is an apocalyptic number.

1100109960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100109960 is an abundant number, since it is smaller than the sum of its proper divisors (2479542480).

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

1100109960 is a wasteful number, since it uses less digits than its factorization.

1100109960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 1100109960 is about 33167.9055715009. The cubic root of 1100109960 is about 1032.3145111350.

Adding to 1100109960 its reverse (699010011), we get a palindrome (1799119971).

The spelling of 1100109960 in words is "one billion, one hundred million, one hundred nine thousand, nine hundred sixty".