| Base | Representation |
|---|---|
| bin | 1010000000010101111010… |
| … | …1100100111101000000000 |
| 3 | 1102221200111121022221102110 |
| 4 | 2200011132230213220000 |
| 5 | 2420220022000000000 |
| 6 | 35221442321015320 |
| 7 | 2213540015064243 |
| oct | 240053654475000 |
| 9 | 42850447287373 |
| 10 | 11001000000000 |
| 11 | 356155278279a |
| 12 | 1298098784540 |
| 13 | 61a50b66122a |
| 14 | 2a06462c325a |
| 15 | 14126438a850 |
| hex | a015eb27a00 |
11001000000000 has 800 divisors, whose sum is σ = 38762105405760. Its totient is φ = 2764800000000.
The previous prime is 11000999999993. The next prime is 11001000000007. The reversal of 11001000000000 is 10011.
It is an interprime number because it is at equal distance from previous prime (11000999999993) and next prime (11001000000007).
It is a tau number, because it is divible by the number of its divisors (800).
It is a Harshad number since it is a multiple of its sum of digits (3).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11001000000007) by changing a digit.
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 79 ways as a sum of consecutive naturals, for example, 56999999904 + ... + 57000000096.
Almost surely, 211001000000000 is an apocalyptic number.
11001000000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11001000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19381052702880).
11001000000000 is an abundant number, since it is smaller than the sum of its proper divisors (27761105405760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11001000000000 is an frugal number, since it uses more digits than its factorization.
11001000000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278 (or 222 counting only the distinct ones).
The product of its (nonzero) digits is 1, while the sum is 3.
Adding to 11001000000000 its reverse (10011), we get a palindrome (11001000010011).
The spelling of 11001000000000 in words is "eleven trillion, one billion", and thus it is an aban number and an uban number.
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