2143117205548 has 12 divisors (see below), whose sum is σ = 4091405574312. Its totient is φ = 974144184320.

The previous prime is 2143117205503. The next prime is 2143117205557. The reversal of 2143117205548 is 8455027113412.

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, 24353604565 + ... + 24353604652.

It is an arithmetic number, because the mean of its divisors is an integer number (340950464526).

Almost surely, 2^{2143117205548} is an apocalyptic number.

It is an amenable number.

2143117205548 is a deficient number, since it is larger than the sum of its proper divisors (1948288368764).

2143117205548 is a wasteful number, since it uses less digits than its factorization.

2143117205548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48707209232 (or 48707209230 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 2143117205548 in words is "two trillion, one hundred forty-three billion, one hundred seventeen million, two hundred five thousand, five hundred forty-eight".