11215745 has 8 divisors (see below), whose sum is σ = 13483584. Its totient is φ = 8956144.

The previous prime is 11215741. The next prime is 11215753. The reversal of 11215745 is 54751211.

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 11215745 - 2² = 11215741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11215741) 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, 1502 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (1685448).

Almost surely, 2^11215745 is an apocalyptic number.

It is an amenable number.

11215745 is a deficient number, since it is larger than the sum of its proper divisors (2267839).

11215745 is an equidigital number, since it uses as much as digits as its factorization.

11215745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119.

The product of its digits is 1400, while the sum is 26.

The square root of 11215745 is about 3348.9916392849. The cubic root of 11215745 is about 223.8425831187.

Adding to 11215745 its reverse (54751211), we get a palindrome (65966956).

The spelling of 11215745 in words is "eleven million, two hundred fifteen thousand, seven hundred forty-five".