11445516 has 24 divisors (see below), whose sum is σ = 29673840. Its totient is φ = 3815136.

The previous prime is 11445481. The next prime is 11445521. The reversal of 11445516 is 61554411.

11445516 is a `hidden beast` number, since 1 + 144 + 5 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11445516.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52881 + ... + 53096.

It is an arithmetic number, because the mean of its divisors is an integer number (1236410).

Almost surely, 2^11445516 is an apocalyptic number.

It is an amenable number.

11445516 is an abundant number, since it is smaller than the sum of its proper divisors (18228324).

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

11445516 is a wasteful number, since it uses less digits than its factorization.

11445516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105990 (or 105982 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11445516 is about 3383.1222265830. The cubic root of 11445516 is about 225.3608432114.

Adding to 11445516 its reverse (61554411), we get a palindrome (72999927).

The spelling of 11445516 in words is "eleven million, four hundred forty-five thousand, five hundred sixteen".