11216542 has 8 divisors (see below), whose sum is σ = 16849800. Its totient is φ = 5599944.

The previous prime is 11216521. The next prime is 11216563. The reversal of 11216542 is 24561211.

It is an interprime number because it is at equal distance from previous prime (11216521) and next prime (11216563).

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2317 + ... + 5272.

It is an arithmetic number, because the mean of its divisors is an integer number (2106225).

Almost surely, 2^11216542 is an apocalyptic number.

11216542 is a deficient number, since it is larger than the sum of its proper divisors (5633258).

11216542 is an equidigital number, since it uses as much as digits as its factorization.

11216542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330.

The product of its digits is 480, while the sum is 22.

The square root of 11216542 is about 3349.1106282116. The cubic root of 11216542 is about 223.8478851387.

Adding to 11216542 its reverse (24561211), we get a palindrome (35777753).

The spelling of 11216542 in words is "eleven million, two hundred sixteen thousand, five hundred forty-two".