11130000 has 200 divisors, whose sum is σ = 41836608. Its totient is φ = 2496000.

The previous prime is 11129981. The next prime is 11130001. The reversal of 11130000 is 3111.

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 (6).

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 (11130001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209974 + ... + 210026.

Almost surely, 2^11130000 is an apocalyptic number.

11130000 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 11130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20918304).

11130000 is an abundant number, since it is smaller than the sum of its proper divisors (30706608).

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

11130000 is an equidigital number, since it uses as much as digits as its factorization.

11130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 6.

The square root of 11130000 is about 3336.1654635225. The cubic root of 11130000 is about 223.2706935537.

Adding to 11130000 its reverse (3111), we get a palindrome (11133111).

The spelling of 11130000 in words is "eleven million, one hundred thirty thousand".