11000000 has 98 divisors (see below), whose sum is σ = 29765244. Its totient is φ = 4000000.

The previous prime is 10999997. The next prime is 11000027. The reversal of 11000000 is 11.

It is a sliding number, since 11000000 = 1000000 + 10000000 and 1/1000000 + 1/10000000 = 0.0000011000000.

It is a Harshad number since it is a multiple of its sum of digits (2).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 999995 + ... + 1000005.

Almost surely, 2^11000000 is an apocalyptic number.

11000000 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 11000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14882622).

11000000 is an abundant number, since it is smaller than the sum of its proper divisors (18765244).

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

11000000 is an frugal number, since it uses more digits than its factorization.

11000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 2.

The square root of 11000000 is about 3316.6247903554. The cubic root of 11000000 is about 222.3980090569.

Adding to 11000000 its reverse (11), we get a palindrome (11000011).

Multiplying 11000000 by its reverse (11), we get a square (121000000 = 11000²).

11000000 divided by its reverse (11) gives a 6-th power (1000000 = 10⁶).

It can be divided in two parts, 1 and 1000000, that added together give a palindrome (1000001).

The spelling of 11000000 in words is "eleven million", and thus it is an aban number and an uban number.