2143575447552 has 288 divisors, whose sum is σ = 7718703632640. Its totient is φ = 556772474880.

The previous prime is 2143575447539. The next prime is 2143575447589. The reversal of 2143575447552 is 2557445753412.

2143575447552 is a `hidden beast` number, since 2 + 1 + 4 + 35 + 7 + 54 + 4 + 7 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664093 + ... + 2174435.

It is an arithmetic number, because the mean of its divisors is an integer number (26801054280).

Almost surely, 2^{2143575447552} is an apocalyptic number.

2143575447552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143575447552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3859351816320).

2143575447552 is an abundant number, since it is smaller than the sum of its proper divisors (5575128185088).

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

2143575447552 is a wasteful number, since it uses less digits than its factorization.

2143575447552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510389 (or 1510366 counting only the distinct ones).

The product of its digits is 23520000, while the sum is 54.

The spelling of 2143575447552 in words is "two trillion, one hundred forty-three billion, five hundred seventy-five million, four hundred forty-seven thousand, five hundred fifty-two".