11517716479 has 2 divisors, whose sum is σ = 11517716480. Its totient is φ = 11517716478.

The previous prime is 11517716449. The next prime is 11517716491. The reversal of 11517716479 is 97461771511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11517716479 - 2²¹ = 11515619327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11517716449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758858239 + 5758858240.

It is an arithmetic number, because the mean of its divisors is an integer number (5758858240).

Almost surely, 2^11517716479 is an apocalyptic number.

11517716479 is a deficient number, since it is larger than the sum of its proper divisors (1).

11517716479 is an equidigital number, since it uses as much as digits as its factorization.

11517716479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 49.

The spelling of 11517716479 in words is "eleven billion, five hundred seventeen million, seven hundred sixteen thousand, four hundred seventy-nine".