11871652320112 has 80 divisors (see below), whose sum is σ = 25095607528320. Its totient is φ = 5407485785856.

The previous prime is 11871652320097. The next prime is 11871652320263. The reversal of 11871652320112 is 21102325617811.

It is a super-2 number, since 2×11871652320112² (a number of 27 digits) contains 22 as substring.

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, 15985939 + ... + 16712077.

It is an arithmetic number, because the mean of its divisors is an integer number (313695094104).

Almost surely, 2^{11871652320112} 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 11871652320112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12547803764160).

11871652320112 is an abundant number, since it is smaller than the sum of its proper divisors (13223955208208).

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

11871652320112 is a wasteful number, since it uses less digits than its factorization.

11871652320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727190 (or 727184 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

Adding to 11871652320112 its reverse (21102325617811), we get a palindrome (32973977937923).

The spelling of 11871652320112 in words is "eleven trillion, eight hundred seventy-one billion, six hundred fifty-two million, three hundred twenty thousand, one hundred twelve".