11247312517 has 16 divisors (see below), whose sum is σ = 12926190592. Its totient is φ = 9586563840.

The previous prime is 11247312511. The next prime is 11247312521. The reversal of 11247312517 is 71521374211.

11247312517 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 11247312517 - 2⁷ = 11247312389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247312511) 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 15 ways as a sum of consecutive naturals, for example, 1590253 + ... + 1597309.

It is an arithmetic number, because the mean of its divisors is an integer number (807886912).

Almost surely, 2^11247312517 is an apocalyptic number.

It is an amenable number.

11247312517 is a deficient number, since it is larger than the sum of its proper divisors (1678878075).

11247312517 is a wasteful number, since it uses less digits than its factorization.

11247312517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308.

The product of its digits is 11760, while the sum is 34.

Adding to 11247312517 its reverse (71521374211), we get a palindrome (82768686728).

The spelling of 11247312517 in words is "eleven billion, two hundred forty-seven million, three hundred twelve thousand, five hundred seventeen".