11011055500 has 24 divisors (see below), whose sum is σ = 24048146304. Its totient is φ = 4404422000.

The previous prime is 11011055479. The next prime is 11011055513. The reversal of 11011055500 is 555011011.

It is a happy number.

11011055500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11010556 + ... + 11011555.

It is an arithmetic number, because the mean of its divisors is an integer number (1002006096).

Almost surely, 2^11011055500 is an apocalyptic number.

11011055500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011055500 is an abundant number, since it is smaller than the sum of its proper divisors (13037090804).

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

11011055500 is a wasteful number, since it uses less digits than its factorization.

11011055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022130 (or 22022118 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 11011055500 its reverse (555011011), we get a palindrome (11566066511).

The spelling of 11011055500 in words is "eleven billion, eleven million, fifty-five thousand, five hundred".