11839667868 has 36 divisors (see below), whose sum is σ = 34203485680. Its totient is φ = 3382762176.

The previous prime is 11839667849. The next prime is 11839667881. The reversal of 11839667868 is 86876693811.

11839667868 is a `hidden beast` number, since 118 + 396 + 6 + 78 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 23491153 + ... + 23491656.

Almost surely, 2^11839667868 is an apocalyptic number.

11839667868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11839667868 is an abundant number, since it is smaller than the sum of its proper divisors (22363817812).

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

11839667868 is a wasteful number, since it uses less digits than its factorization.

11839667868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46982826 (or 46982821 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 11839667868 in words is "eleven billion, eight hundred thirty-nine million, six hundred sixty-seven thousand, eight hundred sixty-eight".