11415 has 8 divisors (see below), whose sum is σ = 18288. Its totient is φ = 6080.

The previous prime is 11411. The next prime is 11423. The reversal of 11415 is 51411.

It is a happy number.

11415 is digitally balanced in base 6, 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 11415 - 2² = 11411 is a prime.

11415 is strictly pandigital in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 11415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411) 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, 366 + ... + 395.

It is an arithmetic number, because the mean of its divisors is an integer number (2286).

2¹¹⁴¹⁵ is an apocalyptic number.

11415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11415 is a deficient number, since it is larger than the sum of its proper divisors (6873).

11415 is an equidigital number, since it uses as much as digits as its factorization.

11415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its digits is 20, while the sum is 12.

The square root of 11415 is about 106.8410033648. The cubic root of 11415 is about 22.5160379482.

Adding to 11415 its reverse (51411), we get a palindrome (62826).

The spelling of 11415 in words is "eleven thousand, four hundred fifteen".