11919662424 has 24 divisors (see below), whose sum is σ = 32282419260. Its totient is φ = 3973220784.

The previous prime is 11919662371. The next prime is 11919662467. The reversal of 11919662424 is 42426691911.

11919662424 is a `hidden beast` number, since 1 + 1 + 9 + 19 + 6 + 624 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11919662424.

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 5 ways as a sum of consecutive naturals, for example, 82775362 + ... + 82775505.

Almost surely, 2^11919662424 is an apocalyptic number.

It is an amenable number.

11919662424 is an abundant number, since it is smaller than the sum of its proper divisors (20362756836).

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

11919662424 is a wasteful number, since it uses less digits than its factorization.

11919662424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165550879 (or 165550872 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 11919662424 in words is "eleven billion, nine hundred nineteen million, six hundred sixty-two thousand, four hundred twenty-four".