11601784612208 has 80 divisors (see below), whose sum is σ = 26581103700480. Its totient is φ = 4799729157888.

The previous prime is 11601784612199. The next prime is 11601784612267. The reversal of 11601784612208 is 80221648710611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15175085 + ... + 15921267.

It is an arithmetic number, because the mean of its divisors is an integer number (332263796256).

Almost surely, 2^{11601784612208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11601784612208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13290551850240).

11601784612208 is an abundant number, since it is smaller than the sum of its proper divisors (14979319088272).

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

11601784612208 is a wasteful number, since it uses less digits than its factorization.

11601784612208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751014 (or 751008 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 11601784612208 in words is "eleven trillion, six hundred one billion, seven hundred eighty-four million, six hundred twelve thousand, two hundred eight".