11685734216 has 16 divisors (see below), whose sum is σ = 23596194300. Its totient is φ = 5393415744.

The previous prime is 11685734213. The next prime is 11685734243. The reversal of 11685734216 is 61243758611.

It can be written as a sum of positive squares in 2 ways, for example, as 11250844900 + 434889316 = 106070^2 + 20854^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11685734213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56181311 + ... + 56181518.

Almost surely, 2^11685734216 is an apocalyptic number.

It is an amenable number.

11685734216 is an abundant number, since it is smaller than the sum of its proper divisors (11910460084).

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

11685734216 is a wasteful number, since it uses less digits than its factorization.

11685734216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112362848 (or 112362844 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The spelling of 11685734216 in words is "eleven billion, six hundred eighty-five million, seven hundred thirty-four thousand, two hundred sixteen".