11161200 has 120 divisors (see below), whose sum is σ = 36533376. Its totient is φ = 2912000.

The previous prime is 11161181. The next prime is 11161219. The reversal of 11161200 is 216111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11161181) and next prime (11161219).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 85135 + ... + 85265.

Almost surely, 2^11161200 is an apocalyptic number.

11161200 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 11161200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18266688).

11161200 is an abundant number, since it is smaller than the sum of its proper divisors (25372176).

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

11161200 is a wasteful number, since it uses less digits than its factorization.

11161200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 11161200 is about 3340.8382181722. The cubic root of 11161200 is about 223.4791256173.

Adding to 11161200 its reverse (216111), we get a palindrome (11377311).

The spelling of 11161200 in words is "eleven million, one hundred sixty-one thousand, two hundred".