11524204205123 has 32 divisors (see below), whose sum is σ = 11911743360000. Its totient is φ = 11143830297600.

The previous prime is 11524204205083. The next prime is 11524204205131. The reversal of 11524204205123 is 32150240242511.

It is a cyclic number.

It is not a de Polignac number, because 11524204205123 - 2⁸ = 11524204204867 is a prime.

It is a super-2 number, since 2×11524204205123² (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 11524204205123.

It is not an unprimeable number, because it can be changed into a prime (11524204202123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4192142753 + ... + 4192145501.

It is an arithmetic number, because the mean of its divisors is an integer number (372241980000).

Almost surely, 2^{11524204205123} is an apocalyptic number.

11524204205123 is a deficient number, since it is larger than the sum of its proper divisors (387539154877).

11524204205123 is a wasteful number, since it uses less digits than its factorization.

11524204205123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 11524204205123 its reverse (32150240242511), we get a palindrome (43674444447634).

The spelling of 11524204205123 in words is "eleven trillion, five hundred twenty-four billion, two hundred four million, two hundred five thousand, one hundred twenty-three".