3185621114144 has 144 divisors (see below), whose sum is σ = 7661725848000. Its totient is φ = 1275663352320.

The previous prime is 3185621114141. The next prime is 3185621114153. The reversal of 3185621114144 is 4414111265813.

It is not an unprimeable number, because it can be changed into a prime (3185621114141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5987507 + ... + 6497805.

It is an arithmetic number, because the mean of its divisors is an integer number (53206429500).

Almost surely, 2^{3185621114144} 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 3185621114144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3830862924000).

3185621114144 is an abundant number, since it is smaller than the sum of its proper divisors (4476104733856).

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

3185621114144 is a wasteful number, since it uses less digits than its factorization.

3185621114144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510407 (or 510368 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

Adding to 3185621114144 its reverse (4414111265813), we get a palindrome (7599732379957).

The spelling of 3185621114144 in words is "three trillion, one hundred eighty-five billion, six hundred twenty-one million, one hundred fourteen thousand, one hundred forty-four".