11501063511025 has 12 divisors (see below), whose sum is σ = 15557802277104. Its totient is φ = 8364409826000.

The previous prime is 11501063510921. The next prime is 11501063511029. The reversal of 11501063511025 is 52011536010511.

It is a happy number.

It is not a de Polignac number, because 11501063511025 - 2⁷ = 11501063510897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11501063511029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20911024291 + ... + 20911024840.

It is an arithmetic number, because the mean of its divisors is an integer number (1296483523092).

Almost surely, 2^{11501063511025} is an apocalyptic number.

It is an amenable number.

11501063511025 is a deficient number, since it is larger than the sum of its proper divisors (4056738766079).

11501063511025 is a wasteful number, since it uses less digits than its factorization.

11501063511025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41822049152 (or 41822049147 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 11501063511025 its reverse (52011536010511), we get a palindrome (63512599521536).

The spelling of 11501063511025 in words is "eleven trillion, five hundred one billion, sixty-three million, five hundred eleven thousand, twenty-five".