2311143112050 has 96 divisors (see below), whose sum is σ = 5798243388672. Its totient is φ = 609159137280.

The previous prime is 2311143112049. The next prime is 2311143112067. The reversal of 2311143112050 is 502113411132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311143112050.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11144407 + ... + 11349893.

It is an arithmetic number, because the mean of its divisors is an integer number (60398368632).

Almost surely, 2^{2311143112050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311143112050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899121694336).

2311143112050 is an abundant number, since it is smaller than the sum of its proper divisors (3487100276622).

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

2311143112050 is a wasteful number, since it uses less digits than its factorization.

2311143112050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206372 (or 206367 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 2311143112050 its reverse (502113411132), we get a palindrome (2813256523182).

The spelling of 2311143112050 in words is "two trillion, three hundred eleven billion, one hundred forty-three million, one hundred twelve thousand, fifty".