11332201521 has 16 divisors (see below), whose sum is σ = 15915018240. Its totient is φ = 7152601680.

The previous prime is 11332201487. The next prime is 11332201549. The reversal of 11332201521 is 12510223311.

11332201521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11332201521 - 2⁶ = 11332201457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11332201721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27436 + ... + 153026.

It is an arithmetic number, because the mean of its divisors is an integer number (994688640).

Almost surely, 2^11332201521 is an apocalyptic number.

It is an amenable number.

11332201521 is a deficient number, since it is larger than the sum of its proper divisors (4582816719).

11332201521 is a wasteful number, since it uses less digits than its factorization.

11332201521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127196.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11332201521 its reverse (12510223311), we get a palindrome (23842424832).

The spelling of 11332201521 in words is "eleven billion, three hundred thirty-two million, two hundred one thousand, five hundred twenty-one".