11315215 has 8 divisors (see below), whose sum is σ = 13654368. Its totient is φ = 9001440.

The previous prime is 11315207. The next prime is 11315231. The reversal of 11315215 is 51251311.

11315215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11315215 - 2³ = 11315207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11315192 and 11315201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5347 + ... + 7156.

It is an arithmetic number, because the mean of its divisors is an integer number (1706796).

Almost surely, 2^11315215 is an apocalyptic number.

11315215 is a deficient number, since it is larger than the sum of its proper divisors (2339153).

11315215 is a wasteful number, since it uses less digits than its factorization.

11315215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12689.

The product of its digits is 150, while the sum is 19.

The square root of 11315215 is about 3363.8095962762. The cubic root of 11315215 is about 224.5023734750.

Adding to 11315215 its reverse (51251311), we get a palindrome (62566526).

The spelling of 11315215 in words is "eleven million, three hundred fifteen thousand, two hundred fifteen".