11194817985916 has 24 divisors (see below), whose sum is σ = 20769461799296. Its totient is φ = 5270446128960.

The previous prime is 11194817985907. The next prime is 11194817985929. The reversal of 11194817985916 is 61958971849111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220006091 + ... + 1220015266.

Almost surely, 2^{11194817985916} is an apocalyptic number.

It is an amenable number.

11194817985916 is a deficient number, since it is larger than the sum of its proper divisors (9574643813380).

11194817985916 is a wasteful number, since it uses less digits than its factorization.

11194817985916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440021429 (or 2440021427 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 70.

The spelling of 11194817985916 in words is "eleven trillion, one hundred ninety-four billion, eight hundred seventeen million, nine hundred eighty-five thousand, nine hundred sixteen".