11718558963 has 6 divisors (see below), whose sum is σ = 16926807404. Its totient is φ = 7812372636.

The previous prime is 11718558953. The next prime is 11718558967. The reversal of 11718558963 is 36985581711.

It is a happy number.

11718558963 is a `hidden beast` number, since 1 + 17 + 18 + 558 + 9 + 63 = 666.

It is not a de Polignac number, because 11718558963 - 2¹⁸ = 11718296819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11718558967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651031045 + ... + 651031062.

Almost surely, 2^11718558963 is an apocalyptic number.

11718558963 is a deficient number, since it is larger than the sum of its proper divisors (5208248441).

11718558963 is a wasteful number, since it uses less digits than its factorization.

11718558963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302062113 (or 1302062110 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 54.

The spelling of 11718558963 in words is "eleven billion, seven hundred eighteen million, five hundred fifty-eight thousand, nine hundred sixty-three".