2140320065552 has 20 divisors (see below), whose sum is σ = 4151872408620. Its totient is φ = 1068869121408.

The previous prime is 2140320065549. The next prime is 2140320065561. The reversal of 2140320065552 is 2555600230412.

It can be written as a sum of positive squares in 2 ways, for example, as 1286536673536 + 853783392016 = 1134256^2 + 924004^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80668283 + ... + 80694810.

It is an arithmetic number, because the mean of its divisors is an integer number (207593620431).

Almost surely, 2^{2140320065552} is an apocalyptic number.

It is an amenable number.

2140320065552 is a deficient number, since it is larger than the sum of its proper divisors (2011552343068).

2140320065552 is a wasteful number, since it uses less digits than its factorization.

2140320065552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161363930 (or 161363924 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2140320065552 its reverse (2555600230412), we get a palindrome (4695920295964).

The spelling of 2140320065552 in words is "two trillion, one hundred forty billion, three hundred twenty million, sixty-five thousand, five hundred fifty-two".