11216145 has 8 divisors (see below), whose sum is σ = 17945856. Its totient is φ = 5981936.

The previous prime is 11216123. The next prime is 11216147. The reversal of 11216145 is 54161211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11216145 - 2⁵ = 11216113 is a prime.

It is a super-2 number, since 2×11216145² = 251603817322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11216147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373857 + ... + 373886.

It is an arithmetic number, because the mean of its divisors is an integer number (2243232).

Almost surely, 2^11216145 is an apocalyptic number.

11216145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11216145 is a deficient number, since it is larger than the sum of its proper divisors (6729711).

11216145 is an equidigital number, since it uses as much as digits as its factorization.

11216145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747751.

The product of its digits is 240, while the sum is 21.

The square root of 11216145 is about 3349.0513582207. The cubic root of 11216145 is about 223.8452441388.

Adding to 11216145 its reverse (54161211), we get a palindrome (65377356).

The spelling of 11216145 in words is "eleven million, two hundred sixteen thousand, one hundred forty-five".