11659951368 has 48 divisors (see below), whose sum is σ = 34008194220. Its totient is φ = 3587677056.

The previous prime is 11659951351. The next prime is 11659951393. The reversal of 11659951368 is 86315995611.

11659951368 is a `hidden beast` number, since 1 + 1 + 65 + 9 + 9 + 513 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10815584004 + 844367364 = 103998^2 + 29058^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6227671 + ... + 6229542.

Almost surely, 2^11659951368 is an apocalyptic number.

11659951368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11659951368 is an abundant number, since it is smaller than the sum of its proper divisors (22348242852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11659951368 is a wasteful number, since it uses less digits than its factorization.

11659951368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12457238 (or 12457231 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The spelling of 11659951368 in words is "eleven billion, six hundred fifty-nine million, nine hundred fifty-one thousand, three hundred sixty-eight".