1143108187605 has 48 divisors (see below), whose sum is σ = 1987132283136. Its totient is φ = 607892031360.

The previous prime is 1143108187591. The next prime is 1143108187631. The reversal of 1143108187605 is 5067818013411.

1143108187605 is a `hidden beast` number, since 1 + 1 + 4 + 31 + 0 + 8 + 1 + 8 + 7 + 605 = 666.

It is not a de Polignac number, because 1143108187605 - 2¹⁷ = 1143108056533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29500774 + ... + 29539496.

It is an arithmetic number, because the mean of its divisors is an integer number (41398589232).

Almost surely, 2^{1143108187605} is an apocalyptic number.

1143108187605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143108187605 is a deficient number, since it is larger than the sum of its proper divisors (844024095531).

1143108187605 is a wasteful number, since it uses less digits than its factorization.

1143108187605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40618 (or 40615 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 1143108187605 in words is "one trillion, one hundred forty-three billion, one hundred eight million, one hundred eighty-seven thousand, six hundred five".