2143201056064 has 28 divisors (see below), whose sum is σ = 4267942598464. Its totient is φ = 1067813944704.

The previous prime is 2143201056041. The next prime is 2143201056067. The reversal of 2143201056064 is 4606501023412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143201056067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59147112 + ... + 59183335.

Almost surely, 2^{2143201056064} is an apocalyptic number.

It is an amenable number.

2143201056064 is a deficient number, since it is larger than the sum of its proper divisors (2124741542400).

2143201056064 is a wasteful number, since it uses less digits than its factorization.

2143201056064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118330742 (or 118330732 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 2143201056064 its reverse (4606501023412), we get a palindrome (6749702079476).

The spelling of 2143201056064 in words is "two trillion, one hundred forty-three billion, two hundred one million, fifty-six thousand, sixty-four".