11709996479 has 4 divisors (see below), whose sum is σ = 11720730840. Its totient is φ = 11699262120.

The previous prime is 11709996469. The next prime is 11709996527. The reversal of 11709996479 is 97469990711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97469990711 = 9619 ⋅10133069.

It is a cyclic number.

It is not a de Polignac number, because 11709996479 - 2⁸ = 11709996223 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 (11709996469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5365544 + ... + 5367725.

It is an arithmetic number, because the mean of its divisors is an integer number (2930182710).

Almost surely, 2^11709996479 is an apocalyptic number.

11709996479 is a deficient number, since it is larger than the sum of its proper divisors (10734361).

11709996479 is a wasteful number, since it uses less digits than its factorization.

11709996479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734360.

The product of its (nonzero) digits is 7715736, while the sum is 62.

The spelling of 11709996479 in words is "eleven billion, seven hundred nine million, nine hundred ninety-six thousand, four hundred seventy-nine".