11216251 has 8 divisors (see below), whose sum is σ = 11857680. Its totient is φ = 10579968.

The previous prime is 11216239. The next prime is 11216263. The reversal of 11216251 is 15261211.

11216251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11216239) and next prime (11216263).

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 11216251 - 2⁷ = 11216123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11216201) 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, 3735 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (1482210).

Almost surely, 2^11216251 is an apocalyptic number.

11216251 is a deficient number, since it is larger than the sum of its proper divisors (641429).

11216251 is a wasteful number, since it uses less digits than its factorization.

11216251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573.

The product of its digits is 120, while the sum is 19.

The square root of 11216251 is about 3349.0671835602. The cubic root of 11216251 is about 223.8459492985.

Adding to 11216251 its reverse (15261211), we get a palindrome (26477462).

The spelling of 11216251 in words is "eleven million, two hundred sixteen thousand, two hundred fifty-one".