11125512 has 96 divisors (see below), whose sum is σ = 32104800. Its totient is φ = 3608064.

The previous prime is 11125489. The next prime is 11125547. The reversal of 11125512 is 21552111.

11125512 is a `hidden beast` number, since 1 + 112 + 551 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114648 + ... + 114744.

It is an arithmetic number, because the mean of its divisors is an integer number (334425).

Almost surely, 2^11125512 is an apocalyptic number.

11125512 is a gapful number since it is divisible by the number (12) 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 11125512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16052400).

11125512 is an abundant number, since it is smaller than the sum of its proper divisors (20979288).

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

11125512 is an equidigital number, since it uses as much as digits as its factorization.

11125512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 161 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 11125512 is about 3335.4927671935. The cubic root of 11125512 is about 223.2406793701.

Adding to 11125512 its reverse (21552111), we get a palindrome (32677623).

The spelling of 11125512 in words is "eleven million, one hundred twenty-five thousand, five hundred twelve".