1100509868 has 24 divisors (see below), whose sum is σ = 2028732720. Its totient is φ = 520914240.

The previous prime is 1100509867. The next prime is 1100509877. The reversal of 1100509868 is 8689050011.

It is a super-2 number, since 2×1100509868² = 2422243939130754848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1100509867) 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 7 ways as a sum of consecutive naturals, for example, 118730 + ... + 127662.

It is an arithmetic number, because the mean of its divisors is an integer number (84530530).

Almost surely, 2^1100509868 is an apocalyptic number.

It is an amenable number.

1100509868 is a deficient number, since it is larger than the sum of its proper divisors (928222852).

1100509868 is a wasteful number, since it uses less digits than its factorization.

1100509868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577 (or 10575 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 1100509868 is about 33173.9335623619. The cubic root of 1100509868 is about 1032.4395837286.

Adding to 1100509868 its reverse (8689050011), we get a palindrome (9789559879).

The spelling of 1100509868 in words is "one billion, one hundred million, five hundred nine thousand, eight hundred sixty-eight".