11305440525 has 12 divisors (see below), whose sum is σ = 18691661792. Its totient is φ = 6029568240.

The previous prime is 11305440511. The next prime is 11305440527. The reversal of 11305440525 is 52504450311.

11305440525 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 11305440525 - 2⁸ = 11305440269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11305440492 and 11305440501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11305440527) 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 11 ways as a sum of consecutive naturals, for example, 75369529 + ... + 75369678.

Almost surely, 2^11305440525 is an apocalyptic number.

11305440525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11305440525 is a deficient number, since it is larger than the sum of its proper divisors (7386221267).

11305440525 is a wasteful number, since it uses less digits than its factorization.

11305440525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150739220 (or 150739215 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 11305440525 its reverse (52504450311), we get a palindrome (63809890836).

The spelling of 11305440525 in words is "eleven billion, three hundred five million, four hundred forty thousand, five hundred twenty-five".