11520504205506 has 24 divisors (see below), whose sum is σ = 24967465100604. Its totient is φ = 3839187660000.

The previous prime is 11520504205447. The next prime is 11520504205537. The reversal of 11520504205506 is 60550240502511.

11520504205506 is a `hidden beast` number, since 1 + 1 + 52 + 0 + 50 + 4 + 2 + 0 + 550 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11493055999881 + 27448205625 = 3390141^2 + 165675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81628245 + ... + 81769256.

Almost surely, 2^{11520504205506} is an apocalyptic number.

11520504205506 is an abundant number, since it is smaller than the sum of its proper divisors (13446960895098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11520504205506 is a wasteful number, since it uses less digits than its factorization.

11520504205506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163401426 (or 163401423 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 11520504205506 in words is "eleven trillion, five hundred twenty billion, five hundred four million, two hundred five thousand, five hundred six".