11521465 has 8 divisors (see below), whose sum is σ = 13844160. Its totient is φ = 9204912.

The previous prime is 11521457. The next prime is 11521483. The reversal of 11521465 is 56412511.

It is a happy number.

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 11521465 - 2³ = 11521457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722 + ... + 7468.

It is an arithmetic number, because the mean of its divisors is an integer number (1730520).

Almost surely, 2^11521465 is an apocalyptic number.

It is an amenable number.

11521465 is a deficient number, since it is larger than the sum of its proper divisors (2322695).

11521465 is a wasteful number, since it uses less digits than its factorization.

11521465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

The product of its digits is 1200, while the sum is 25.

The square root of 11521465 is about 3394.3283577167. The cubic root of 11521465 is about 225.8582202602.

Adding to 11521465 its reverse (56412511), we get a palindrome (67933976).

The spelling of 11521465 in words is "eleven million, five hundred twenty-one thousand, four hundred sixty-five".