1143598506687 has 192 divisors, whose sum is σ = 2139327590400. Its totient is φ = 572658895872.

The previous prime is 1143598506643. The next prime is 1143598506697. The reversal of 1143598506687 is 7866058953411.

1143598506687 is a `hidden beast` number, since 1 + 1 + 4 + 35 + 98 + 506 + 6 + 8 + 7 = 666.

It is not a de Polignac number, because 1143598506687 - 2¹⁶ = 1143598441151 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 (1143598506607) 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 191 ways as a sum of consecutive naturals, for example, 246622333 + ... + 246626969.

It is an arithmetic number, because the mean of its divisors is an integer number (11142331200).

Almost surely, 2^{1143598506687} is an apocalyptic number.

1143598506687 is a deficient number, since it is larger than the sum of its proper divisors (995729083713).

1143598506687 is a wasteful number, since it uses less digits than its factorization.

1143598506687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902 (or 4899 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 1143598506687 in words is "one trillion, one hundred forty-three billion, five hundred ninety-eight million, five hundred six thousand, six hundred eighty-seven".