11521241 has 8 divisors (see below), whose sum is σ = 11746944. Its totient is φ = 11297440.

The previous prime is 11521199. The next prime is 11521249. The reversal of 11521241 is 14212511.

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 11521241 - 2¹⁸ = 11259097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11521249) 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, 18365 + ... + 18981.

It is an arithmetic number, because the mean of its divisors is an integer number (1468368).

Almost surely, 2^11521241 is an apocalyptic number.

It is an amenable number.

11521241 is a deficient number, since it is larger than the sum of its proper divisors (225703).

11521241 is an equidigital number, since it uses as much as digits as its factorization.

11521241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its digits is 80, while the sum is 17.

The square root of 11521241 is about 3394.2953613379. The cubic root of 11521241 is about 225.8567565410.

Adding to 11521241 its reverse (14212511), we get a palindrome (25733752).

The spelling of 11521241 in words is "eleven million, five hundred twenty-one thousand, two hundred forty-one".