11713113247 has 4 divisors (see below), whose sum is σ = 12777941736. Its totient is φ = 10648284760.

The previous prime is 11713113229. The next prime is 11713113263. The reversal of 11713113247 is 74231131711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11713113247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11713113277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532414228 + ... + 532414249.

It is an arithmetic number, because the mean of its divisors is an integer number (3194485434).

Almost surely, 2^11713113247 is an apocalyptic number.

11713113247 is a deficient number, since it is larger than the sum of its proper divisors (1064828489).

11713113247 is a wasteful number, since it uses less digits than its factorization.

11713113247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064828488.

The product of its digits is 3528, while the sum is 31.

Adding to 11713113247 its reverse (74231131711), we get a palindrome (85944244958).

The spelling of 11713113247 in words is "eleven billion, seven hundred thirteen million, one hundred thirteen thousand, two hundred forty-seven".