11678451117279 has 4 divisors (see below), whose sum is σ = 15571268156376. Its totient is φ = 7785634078184.

The previous prime is 11678451117271. The next prime is 11678451117299. The reversal of 11678451117279 is 97271115487611.

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

It is a cyclic number.

It is not a de Polignac number, because 11678451117279 - 2³ = 11678451117271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678451117271) 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, 1946408519544 + ... + 1946408519549.

It is an arithmetic number, because the mean of its divisors is an integer number (3892817039094).

Almost surely, 2^{11678451117279} is an apocalyptic number.

11678451117279 is a deficient number, since it is larger than the sum of its proper divisors (3892817039097).

11678451117279 is an equidigital number, since it uses as much as digits as its factorization.

11678451117279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892817039096.

The product of its digits is 5927040, while the sum is 60.

The spelling of 11678451117279 in words is "eleven trillion, six hundred seventy-eight billion, four hundred fifty-one million, one hundred seventeen thousand, two hundred seventy-nine".