11130750 has 128 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 2764800.

The previous prime is 11130737. The next prime is 11130761. The reversal of 11130750 is 5703111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114702 + ... + 114798.

It is an arithmetic number, because the mean of its divisors is an integer number (257985).

Almost surely, 2^11130750 is an apocalyptic number.

11130750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11130750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16511040).

11130750 is an abundant number, since it is smaller than the sum of its proper divisors (21891330).

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

11130750 is a wasteful number, since it uses less digits than its factorization.

11130750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 11130750 is about 3336.2778661257. The cubic root of 11130750 is about 223.2757085060.

Adding to 11130750 its reverse (5703111), we get a palindrome (16833861).

The spelling of 11130750 in words is "eleven million, one hundred thirty thousand, seven hundred fifty".