2143653611140 has 24 divisors (see below), whose sum is σ = 4504516410240. Its totient is φ = 856919763168.

The previous prime is 2143653611089. The next prime is 2143653611237. The reversal of 2143653611140 is 411163563412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143653611140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33822630 + ... + 33885949.

It is an arithmetic number, because the mean of its divisors is an integer number (187688183760).

Almost surely, 2^{2143653611140} is an apocalyptic number.

2143653611140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143653611140 is an abundant number, since it is smaller than the sum of its proper divisors (2360862799100).

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

2143653611140 is a wasteful number, since it uses less digits than its factorization.

2143653611140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67710171 (or 67710169 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2143653611140 in words is "two trillion, one hundred forty-three billion, six hundred fifty-three million, six hundred eleven thousand, one hundred forty".