11994272424 has 128 divisors (see below), whose sum is σ = 35887104000. Its totient is φ = 3699525312.

The previous prime is 11994272417. The next prime is 11994272447. The reversal of 11994272424 is 42427249911.

11994272424 is a `hidden beast` number, since 119 + 9 + 42 + 72 + 424 = 666.

It is a super-2 number, since 2×11994272424² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11994272424.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142489 + ... + 210455.

It is an arithmetic number, because the mean of its divisors is an integer number (280368000).

Almost surely, 2^11994272424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11994272424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17943552000).

11994272424 is an abundant number, since it is smaller than the sum of its proper divisors (23892831576).

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

11994272424 is a wasteful number, since it uses less digits than its factorization.

11994272424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68044 (or 68034 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 11994272424 in words is "eleven billion, nine hundred ninety-four million, two hundred seventy-two thousand, four hundred twenty-four".