11994065928 has 384 divisors, whose sum is σ = 37924024320. Its totient is φ = 3527193600.

The previous prime is 11994065911. The next prime is 11994065939. The reversal of 11994065928 is 82956049911.

11994065928 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 40 + 6 + 592 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 94441401 + ... + 94441527.

It is an arithmetic number, because the mean of its divisors is an integer number (98760480).

Almost surely, 2^11994065928 is an apocalyptic number.

11994065928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11994065928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18962012160).

11994065928 is an abundant number, since it is smaller than the sum of its proper divisors (25929958392).

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

11994065928 is a wasteful number, since it uses less digits than its factorization.

11994065928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 11994065928 in words is "eleven billion, nine hundred ninety-four million, sixty-five thousand, nine hundred twenty-eight".