11671613371584 has 84 divisors (see below), whose sum is σ = 33527142689040. Its totient is φ = 3882098357760.

The previous prime is 11671613371577. The next prime is 11671613371589. The reversal of 11671613371584 is 48517331617611.

11671613371584 is a `hidden beast` number, since 1 + 1 + 6 + 7 + 1 + 613 + 3 + 7 + 15 + 8 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11671613371584.

It is not an unprimeable number, because it can be changed into a prime (11671613371589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21711924 + ... + 22242995.

It is an arithmetic number, because the mean of its divisors is an integer number (399132651060).

Almost surely, 2^{11671613371584} is an apocalyptic number.

It is an amenable number.

11671613371584 is an abundant number, since it is smaller than the sum of its proper divisors (21855529317456).

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

11671613371584 is a wasteful number, since it uses less digits than its factorization.

11671613371584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43955398 (or 43955385 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 11671613371584 in words is "eleven trillion, six hundred seventy-one billion, six hundred thirteen million, three hundred seventy-one thousand, five hundred eighty-four".