3111252221452 has 48 divisors (see below), whose sum is σ = 5771129364000. Its totient is φ = 1462554584064.

The previous prime is 3111252221437. The next prime is 3111252221531. The reversal of 3111252221452 is 2541222521113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409964874 + ... + 409972462.

It is an arithmetic number, because the mean of its divisors is an integer number (120231861750).

Almost surely, 2^{3111252221452} is an apocalyptic number.

It is an amenable number.

3111252221452 is a deficient number, since it is larger than the sum of its proper divisors (2659877142548).

3111252221452 is a wasteful number, since it uses less digits than its factorization.

3111252221452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258 (or 13256 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

Adding to 3111252221452 its reverse (2541222521113), we get a palindrome (5652474742565).

The spelling of 3111252221452 in words is "three trillion, one hundred eleven billion, two hundred fifty-two million, two hundred twenty-one thousand, four hundred fifty-two".