11679904426 has 4 divisors (see below), whose sum is σ = 17519856642. Its totient is φ = 5839952212.

The previous prime is 11679904421. The next prime is 11679904469. The reversal of 11679904426 is 62440997611.

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

It can be written as a sum of positive squares in only one way, i.e., 8588655625 + 3091248801 = 92675^2 + 55599^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11679904426.

It is not an unprimeable number, because it can be changed into a prime (11679904421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2919976105 + ... + 2919976108.

Almost surely, 2^11679904426 is an apocalyptic number.

11679904426 is a deficient number, since it is larger than the sum of its proper divisors (5839952216).

11679904426 is an equidigital number, since it uses as much as digits as its factorization.

11679904426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839952215.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 11679904426 in words is "eleven billion, six hundred seventy-nine million, nine hundred four thousand, four hundred twenty-six".