11099775850 has 24 divisors (see below), whose sum is σ = 21543219360. Its totient is φ = 4246870320.

The previous prime is 11099775833. The next prime is 11099775877. The reversal of 11099775850 is 5857799011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4824840 + ... + 4827139.

It is an arithmetic number, because the mean of its divisors is an integer number (897634140).

Almost surely, 2^11099775850 is an apocalyptic number.

11099775850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11099775850 is a deficient number, since it is larger than the sum of its proper divisors (10443443510).

11099775850 is a wasteful number, since it uses less digits than its factorization.

11099775850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652014 (or 9652009 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 52.

The spelling of 11099775850 in words is "eleven billion, ninety-nine million, seven hundred seventy-five thousand, eight hundred fifty".