11000919090 has 128 divisors (see below), whose sum is σ = 31606640640. Its totient is φ = 2395945728.

The previous prime is 11000919071. The next prime is 11000919103. The reversal of 11000919090 is 9091900011.

11000919090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 1295037 + ... + 1303503.

It is an arithmetic number, because the mean of its divisors is an integer number (246926880).

Almost surely, 2^11000919090 is an apocalyptic number.

11000919090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11000919090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15803320320).

11000919090 is an abundant number, since it is smaller than the sum of its proper divisors (20605721550).

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

11000919090 is a wasteful number, since it uses less digits than its factorization.

11000919090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 11000919090 in words is "eleven billion, nine hundred nineteen thousand, ninety".