11943993996 has 60 divisors (see below), whose sum is σ = 34062511560. Its totient is φ = 3619391040.

The previous prime is 11943993983. The next prime is 11943994009. The reversal of 11943993996 is 69939934911.

11943993996 is a `hidden beast` number, since 119 + 43 + 99 + 399 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (11943993983) and next prime (11943994009).

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1672081 + ... + 1679208.

It is an arithmetic number, because the mean of its divisors is an integer number (567708526).

Almost surely, 2^11943993996 is an apocalyptic number.

It is an amenable number.

11943993996 is an abundant number, since it is smaller than the sum of its proper divisors (22118517564).

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

11943993996 is a wasteful number, since it uses less digits than its factorization.

11943993996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351316 (or 3351305 counting only the distinct ones).

The product of its digits is 12754584, while the sum is 63.

The spelling of 11943993996 in words is "eleven billion, nine hundred forty-three million, nine hundred ninety-three thousand, nine hundred ninety-six".