2115543133152 has 192 divisors, whose sum is σ = 6475837455360. Its totient is φ = 670620943872.

The previous prime is 2115543133139. The next prime is 2115543133159. The reversal of 2115543133152 is 2513313455112.

It is a happy number.

2115543133152 is a `hidden beast` number, since 2 + 11 + 554 + 3 + 13 + 31 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115543133159) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3130173 + ... + 3745539.

It is an arithmetic number, because the mean of its divisors is an integer number (33728320080).

Almost surely, 2^{2115543133152} 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 2115543133152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3237918727680).

2115543133152 is an abundant number, since it is smaller than the sum of its proper divisors (4360294322208).

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

2115543133152 is a wasteful number, since it uses less digits than its factorization.

2115543133152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615582 (or 615568 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

Adding to 2115543133152 its reverse (2513313455112), we get a palindrome (4628856588264).

The spelling of 2115543133152 in words is "two trillion, one hundred fifteen billion, five hundred forty-three million, one hundred thirty-three thousand, one hundred fifty-two".