11713744547 has 4 divisors (see below), whose sum is σ = 11769260136. Its totient is φ = 11658228960.

The previous prime is 11713744531. The next prime is 11713744619. The reversal of 11713744547 is 74544731711.

11713744547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74544731711 = 59 ⋅1263470029.

It is a cyclic number.

It is not a de Polignac number, because 11713744547 - 2⁴ = 11713744531 is a prime.

It is a super-2 number, since 2×11713744547² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11713744498 and 11713744507.

It is not an unprimeable number, because it can be changed into a prime (11713740547) 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 3 ways as a sum of consecutive naturals, for example, 27757478 + ... + 27757899.

It is an arithmetic number, because the mean of its divisors is an integer number (2942315034).

Almost surely, 2^11713744547 is an apocalyptic number.

11713744547 is a deficient number, since it is larger than the sum of its proper divisors (55515589).

11713744547 is an equidigital number, since it uses as much as digits as its factorization.

11713744547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55515588.

The product of its digits is 329280, while the sum is 44.

The spelling of 11713744547 in words is "eleven billion, seven hundred thirteen million, seven hundred forty-four thousand, five hundred forty-seven".