2315512511224 has 64 divisors (see below), whose sum is σ = 4850493373440. Its totient is φ = 1027165090560.

The previous prime is 2315512511189. The next prime is 2315512511227. The reversal of 2315512511224 is 4221152155132.

It is a self number, because there is not a number n which added to its sum of digits gives 2315512511224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315512511227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257849 + ... + 4770775.

It is an arithmetic number, because the mean of its divisors is an integer number (75788958960).

Almost surely, 2^{2315512511224} 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 2315512511224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2425246686720).

2315512511224 is an abundant number, since it is smaller than the sum of its proper divisors (2534980862216).

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

2315512511224 is a wasteful number, since it uses less digits than its factorization.

2315512511224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514180 (or 514176 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

Adding to 2315512511224 its reverse (4221152155132), we get a palindrome (6536664666356).

The spelling of 2315512511224 in words is "two trillion, three hundred fifteen billion, five hundred twelve million, five hundred eleven thousand, two hundred twenty-four".