11521042 has 8 divisors (see below), whose sum is σ = 18610956. Its totient is φ = 5317392.

The previous prime is 11521039. The next prime is 11521051. The reversal of 11521042 is 24012511.

11521042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11485321 + 35721 = 3389^2 + 189^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221533 + ... + 221584.

Almost surely, 2^11521042 is an apocalyptic number.

11521042 is a deficient number, since it is larger than the sum of its proper divisors (7089914).

11521042 is a wasteful number, since it uses less digits than its factorization.

11521042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443132.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11521042 is about 3394.2660473216. The cubic root of 11521042 is about 225.8554561674.

Adding to 11521042 its reverse (24012511), we get a palindrome (35533553).

The spelling of 11521042 in words is "eleven million, five hundred twenty-one thousand, forty-two".