11005450 has 24 divisors (see below), whose sum is σ = 20861388. Its totient is φ = 4318080.

The previous prime is 11005433. The next prime is 11005459. The reversal of 11005450 is 5450011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1830609 + 9174841 = 1353^2 + 3029^2 .

It is a super-2 number, since 2×11005450² = 242239859405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11005459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574 + ... + 4726.

Almost surely, 2^11005450 is an apocalyptic number.

11005450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11005450 is a deficient number, since it is larger than the sum of its proper divisors (9855938).

11005450 is a wasteful number, since it uses less digits than its factorization.

11005450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11005450 is about 3317.4463070259. The cubic root of 11005450 is about 222.4347323609.

Adding to 11005450 its reverse (5450011), we get a palindrome (16455461).

The spelling of 11005450 in words is "eleven million, five thousand, four hundred fifty".