11521030 has 16 divisors (see below), whose sum is σ = 21829680. Its totient is φ = 4365792.

The previous prime is 11521021. The next prime is 11521031. The reversal of 11521030 is 3012511.

11521030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11521030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11521031) 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, 30129 + ... + 30508.

It is an arithmetic number, because the mean of its divisors is an integer number (1364355).

Almost surely, 2^11521030 is an apocalyptic number.

11521030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11521030 is a deficient number, since it is larger than the sum of its proper divisors (10308650).

11521030 is a wasteful number, since it uses less digits than its factorization.

11521030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60663.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 11521030 is about 3394.2642796341. The cubic root of 11521030 is about 225.8553777524.

Adding to 11521030 its reverse (3012511), we get a palindrome (14533541).

The spelling of 11521030 in words is "eleven million, five hundred twenty-one thousand, thirty".