11125450 has 72 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 3598560.

The previous prime is 11125447. The next prime is 11125459. The reversal of 11125450 is 5452111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11125459) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 46431 + ... + 46669.

It is an arithmetic number, because the mean of its divisors is an integer number (353400).

Almost surely, 2^11125450 is an apocalyptic number.

11125450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11125450 is an abundant number, since it is smaller than the sum of its proper divisors (14319350).

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

11125450 is a wasteful number, since it uses less digits than its factorization.

11125450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 11125450 is about 3335.4834732014. The cubic root of 11125450 is about 223.2402646792.

Adding to 11125450 its reverse (5452111), we get a palindrome (16577561).

The spelling of 11125450 in words is "eleven million, one hundred twenty-five thousand, four hundred fifty".