11416171985 has 8 divisors (see below), whose sum is σ = 13700296896. Its totient is φ = 9132343920.

The previous prime is 11416171933. The next prime is 11416171997. The reversal of 11416171985 is 58917161411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11416171985 is a prime.

It is a Duffinian 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, 21662 + ... + 152648.

It is an arithmetic number, because the mean of its divisors is an integer number (1712537112).

Almost surely, 2^11416171985 is an apocalyptic number.

It is an amenable number.

11416171985 is a deficient number, since it is larger than the sum of its proper divisors (2284124911).

11416171985 is a wasteful number, since it uses less digits than its factorization.

11416171985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148423.

The product of its digits is 60480, while the sum is 44.

The spelling of 11416171985 in words is "eleven billion, four hundred sixteen million, one hundred seventy-one thousand, nine hundred eighty-five".