11438564525 has 24 divisors (see below), whose sum is σ = 14454060000. Its totient is φ = 8977147200.

The previous prime is 11438564521. The next prime is 11438564537. The reversal of 11438564525 is 52546583411.

11438564525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11438564525 - 2² = 11438564521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11438564521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728255 + ... + 743795.

It is an arithmetic number, because the mean of its divisors is an integer number (602252500).

Almost surely, 2^11438564525 is an apocalyptic number.

It is an amenable number.

11438564525 is a deficient number, since it is larger than the sum of its proper divisors (3015495475).

11438564525 is a wasteful number, since it uses less digits than its factorization.

11438564525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16109 (or 16104 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The spelling of 11438564525 in words is "eleven billion, four hundred thirty-eight million, five hundred sixty-four thousand, five hundred twenty-five".