11216137 has 4 divisors (see below), whose sum is σ = 11806480. Its totient is φ = 10625796.

The previous prime is 11216123. The next prime is 11216147. The reversal of 11216137 is 73161211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11216137 - 2¹⁵ = 11183369 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 295143 + ... + 295180.

It is an arithmetic number, because the mean of its divisors is an integer number (2951620).

Almost surely, 2^11216137 is an apocalyptic number.

It is an amenable number.

11216137 is a deficient number, since it is larger than the sum of its proper divisors (590343).

11216137 is an equidigital number, since it uses as much as digits as its factorization.

11216137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590342.

The product of its digits is 252, while the sum is 22.

The square root of 11216137 is about 3349.0501638524. The cubic root of 11216137 is about 223.8451909190.

Adding to 11216137 its reverse (73161211), we get a palindrome (84377348).

The spelling of 11216137 in words is "eleven million, two hundred sixteen thousand, one hundred thirty-seven".