11324111521 has 8 divisors (see below), whose sum is σ = 11614696704. Its totient is φ = 11035595040.

The previous prime is 11324111503. The next prime is 11324111567. The reversal of 11324111521 is 12511142311.

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 11324111521 - 2²¹ = 11322014369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11324111492 and 11324111501.

It is not an unprimeable number, because it can be changed into a prime (11324111021) 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, 506085 + ... + 527986.

It is an arithmetic number, because the mean of its divisors is an integer number (1451837088).

Almost surely, 2^11324111521 is an apocalyptic number.

It is an amenable number.

11324111521 is a deficient number, since it is larger than the sum of its proper divisors (290585183).

11324111521 is a wasteful number, since it uses less digits than its factorization.

11324111521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034351.

The product of its digits is 240, while the sum is 22.

Adding to 11324111521 its reverse (12511142311), we get a palindrome (23835253832).

The spelling of 11324111521 in words is "eleven billion, three hundred twenty-four million, one hundred eleven thousand, five hundred twenty-one".