11011111110000 has 200 divisors, whose sum is σ = 39494817425360. Its totient is φ = 2936296224000.

The previous prime is 11011111109903. The next prime is 11011111110019. The reversal of 11011111110000 is 1111111011.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20120947 + ... + 20660946.

Almost surely, 2^{11011111110000} is an apocalyptic number.

11011111110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011111110000 is an abundant number, since it is smaller than the sum of its proper divisors (28483706315360).

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

11011111110000 is an equidigital number, since it uses as much as digits as its factorization.

11011111110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40781930 (or 40781903 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11011111110000 its reverse (1111111011), we get a palindrome (11012222221011).

The spelling of 11011111110000 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred ten thousand".