11524032220523 has 4 divisors (see below), whose sum is σ = 11546151284808. Its totient is φ = 11501913156240.

The previous prime is 11524032220511. The next prime is 11524032220529. The reversal of 11524032220523 is 32502223042511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11524032220523 - 2¹⁰ = 11524032219499 is a prime.

It is a super-2 number, since 2×11524032220523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11524032220523.

It is not an unprimeable number, because it can be changed into a prime (11524032220529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11059531361 + ... + 11059532402.

It is an arithmetic number, because the mean of its divisors is an integer number (2886537821202).

Almost surely, 2^{11524032220523} is an apocalyptic number.

11524032220523 is a deficient number, since it is larger than the sum of its proper divisors (22119064285).

11524032220523 is an equidigital number, since it uses as much as digits as its factorization.

11524032220523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22119064284.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 11524032220523 in words is "eleven trillion, five hundred twenty-four billion, thirty-two million, two hundred twenty thousand, five hundred twenty-three".