1143888571287 has 160 divisors (see below), whose sum is σ = 2150672477184. Its totient is φ = 588605875200.

The previous prime is 1143888571223. The next prime is 1143888571313. The reversal of 1143888571287 is 7821758883411.

1143888571287 is a `hidden beast` number, since 1 + 1 + 4 + 38 + 8 + 8 + 571 + 28 + 7 = 666.

It is not a de Polignac number, because 1143888571287 - 2⁶ = 1143888571223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143888571207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 296112118 + ... + 296115980.

Almost surely, 2^{1143888571287} is an apocalyptic number.

1143888571287 is a deficient number, since it is larger than the sum of its proper divisors (1006783905897).

1143888571287 is a wasteful number, since it uses less digits than its factorization.

1143888571287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331 (or 4322 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 63.

The spelling of 1143888571287 in words is "one trillion, one hundred forty-three billion, eight hundred eighty-eight million, five hundred seventy-one thousand, two hundred eighty-seven".