1143629871866 has 16 divisors (see below), whose sum is σ = 1719857754720. Its totient is φ = 570344108400.

The previous prime is 1143629871841. The next prime is 1143629871871. The reversal of 1143629871866 is 6681789263411.

It is a junction number, because it is equal to n+sod(n) for n = 1143629871799 and 1143629871808.

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, 25426025 + ... + 25470963.

It is an arithmetic number, because the mean of its divisors is an integer number (107491109670).

Almost surely, 2^{1143629871866} is an apocalyptic number.

1143629871866 is a deficient number, since it is larger than the sum of its proper divisors (576227882854).

1143629871866 is a wasteful number, since it uses less digits than its factorization.

1143629871866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77389.

The product of its digits is 20901888, while the sum is 62.

The spelling of 1143629871866 in words is "one trillion, one hundred forty-three billion, six hundred twenty-nine million, eight hundred seventy-one thousand, eight hundred sixty-six".