11550006564325 has 24 divisors (see below), whose sum is σ = 14816139239880. Its totient is φ = 8921222553600.

The previous prime is 11550006564311. The next prime is 11550006564329. The reversal of 11550006564325 is 52346560005511.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 4381289481409 + 7168717082916 = 2093153^2 + 2677446^2 .

It is not a de Polignac number, because 11550006564325 - 2¹⁷ = 11550006433253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550006564329) 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 23 ways as a sum of consecutive naturals, for example, 53659317 + ... + 53874133.

It is an arithmetic number, because the mean of its divisors is an integer number (617339134995).

Almost surely, 2^{11550006564325} is an apocalyptic number.

It is an amenable number.

11550006564325 is a deficient number, since it is larger than the sum of its proper divisors (3266132675555).

11550006564325 is a wasteful number, since it uses less digits than its factorization.

11550006564325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289017 (or 289012 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

Adding to 11550006564325 its reverse (52346560005511), we get a palindrome (63896566569836).

The spelling of 11550006564325 in words is "eleven trillion, five hundred fifty billion, six million, five hundred sixty-four thousand, three hundred twenty-five".