11023140044 has 12 divisors (see below), whose sum is σ = 22046280144. Its totient is φ = 4724202864.

The previous prime is 11023140019. The next prime is 11023140049. The reversal of 11023140044 is 44004132011.

11023140044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11023139998 and 11023140025.

It is not an unprimeable number, because it can be changed into a prime (11023140049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196841759 + ... + 196841814.

It is an arithmetic number, because the mean of its divisors is an integer number (1837190012).

Almost surely, 2^11023140044 is an apocalyptic number.

11023140044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11023140044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11023140044 is a wasteful number, since it uses less digits than its factorization.

11023140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393683584 (or 393683582 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11023140044 its reverse (44004132011), we get a palindrome (55027272055).

The spelling of 11023140044 in words is "eleven billion, twenty-three million, one hundred forty thousand, forty-four".