11667538713 has 8 divisors (see below), whose sum is σ = 15557238400. Its totient is φ = 7778099088.

The previous prime is 11667538699. The next prime is 11667538759. The reversal of 11667538713 is 31783576611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11667538713 - 2⁴ = 11667538697 is a prime.

It is a super-2 number, since 2×11667538713² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11667538793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98223 + ... + 181611.

It is an arithmetic number, because the mean of its divisors is an integer number (1944654800).

Almost surely, 2^11667538713 is an apocalyptic number.

It is an amenable number.

11667538713 is a deficient number, since it is larger than the sum of its proper divisors (3889699687).

11667538713 is an equidigital number, since it uses as much as digits as its factorization.

11667538713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130031.

The product of its digits is 635040, while the sum is 48.

The spelling of 11667538713 in words is "eleven billion, six hundred sixty-seven million, five hundred thirty-eight thousand, seven hundred thirteen".