1143068687217 has 6 divisors (see below), whose sum is σ = 1651099214882. Its totient is φ = 762045791472.

The previous prime is 1143068687203. The next prime is 1143068687251. The reversal of 1143068687217 is 7127868603411.

1143068687217 is a `hidden beast` number, since 11 + 430 + 68 + 68 + 72 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 929172612096 + 213896075121 = 963936^2 + 462489^2 .

It is not a de Polignac number, because 1143068687217 - 2⁶ = 1143068687153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143068687297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63503815948 + ... + 63503815965.

Almost surely, 2^{1143068687217} is an apocalyptic number.

It is an amenable number.

1143068687217 is a deficient number, since it is larger than the sum of its proper divisors (508030527665).

1143068687217 is a wasteful number, since it uses less digits than its factorization.

1143068687217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127007631919 (or 127007631916 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 1143068687217 in words is "one trillion, one hundred forty-three billion, sixty-eight million, six hundred eighty-seven thousand, two hundred seventeen".