11600506657009 has 4 divisors (see below), whose sum is σ = 11600528088816. Its totient is φ = 11600485225204.

The previous prime is 11600506657007. The next prime is 11600506657067. The reversal of 11600506657009 is 90075660500611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11600506657009 - 2¹ = 11600506657007 is a prime.

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 11600506657009.

It is not an unprimeable number, because it can be changed into a prime (11600506657007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9882379 + ... + 10993744.

It is an arithmetic number, because the mean of its divisors is an integer number (2900132022204).

Almost surely, 2^{11600506657009} is an apocalyptic number.

It is an amenable number.

11600506657009 is a deficient number, since it is larger than the sum of its proper divisors (21431807).

11600506657009 is an equidigital number, since it uses as much as digits as its factorization.

11600506657009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431806.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 11600506657009 in words is "eleven trillion, six hundred billion, five hundred six million, six hundred fifty-seven thousand, nine".