11505150 has 72 divisors (see below), whose sum is σ = 31791864. Its totient is φ = 2980800.

The previous prime is 11505121. The next prime is 11505157. The reversal of 11505150 is 5150511.

11505150 is a `hidden beast` number, since 1 + 150 + 515 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16305 + ... + 16995.

Almost surely, 2^11505150 is an apocalyptic number.

11505150 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 11505150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15895932).

11505150 is an abundant number, since it is smaller than the sum of its proper divisors (20286714).

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

11505150 is a wasteful number, since it uses less digits than its factorization.

11505150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 11505150 is about 3391.9242326444. The cubic root of 11505150 is about 225.7515608623.

Adding to 11505150 its reverse (5150511), we get a palindrome (16655661).

The spelling of 11505150 in words is "eleven million, five hundred five thousand, one hundred fifty".