11141215 has 4 divisors (see below), whose sum is σ = 13369464. Its totient is φ = 8912968.

The previous prime is 11141167. The next prime is 11141237. The reversal of 11141215 is 51214111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11141215 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114117 + ... + 1114126.

It is an arithmetic number, because the mean of its divisors is an integer number (3342366).

Almost surely, 2^11141215 is an apocalyptic number.

11141215 is a deficient number, since it is larger than the sum of its proper divisors (2228249).

11141215 is an equidigital number, since it uses as much as digits as its factorization.

11141215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228248.

The product of its digits is 40, while the sum is 16.

The square root of 11141215 is about 3337.8458622291. The cubic root of 11141215 is about 223.3456603181.

Adding to 11141215 its reverse (51214111), we get a palindrome (62355326).

The spelling of 11141215 in words is "eleven million, one hundred forty-one thousand, two hundred fifteen".