2311151352112 has 80 divisors (see below), whose sum is σ = 4996872322560. Its totient is φ = 1029104649216.

The previous prime is 2311151352089. The next prime is 2311151352157. The reversal of 2311151352112 is 2112531511132.

It is a happy 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, 3981573 + ... + 4524955.

It is an arithmetic number, because the mean of its divisors is an integer number (62460904032).

Almost surely, 2^{2311151352112} 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 2311151352112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498436161280).

2311151352112 is an abundant number, since it is smaller than the sum of its proper divisors (2685720970448).

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

2311151352112 is a wasteful number, since it uses less digits than its factorization.

2311151352112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544250 (or 544244 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

Adding to 2311151352112 its reverse (2112531511132), we get a palindrome (4423682863244).

The spelling of 2311151352112 in words is "two trillion, three hundred eleven billion, one hundred fifty-one million, three hundred fifty-two thousand, one hundred twelve".