11005146 has 20 divisors (see below), whose sum is σ = 24660042. Its totient is φ = 3668328.

The previous prime is 11005091. The next prime is 11005151. The reversal of 11005146 is 64150011.

It can be written as a sum of positive squares in only one way, i.e., 7049025 + 3956121 = 2655^2 + 1989^2 .

It is a super-2 number, since 2×11005146² = 242226476962632, which contains 22 as substring.

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

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33805 + ... + 34128.

Almost surely, 2^11005146 is an apocalyptic number.

11005146 is an abundant number, since it is smaller than the sum of its proper divisors (13654896).

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

11005146 is an equidigital number, since it uses as much as digits as its factorization.

11005146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67947 (or 67938 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11005146 is about 3317.4004883342. The cubic root of 11005146 is about 222.4326842610.

Adding to 11005146 its reverse (64150011), we get a palindrome (75155157).

The spelling of 11005146 in words is "eleven million, five thousand, one hundred forty-six".