1143088166665 has 4 divisors (see below), whose sum is σ = 1371705800004. Its totient is φ = 914470533328.

The previous prime is 1143088166639. The next prime is 1143088166677. The reversal of 1143088166665 is 5666618803411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 859863034944 + 283225131721 = 927288^2 + 532189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143088166665 - 2¹⁹ = 1143087642377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114308816662 + ... + 114308816671.

It is an arithmetic number, because the mean of its divisors is an integer number (342926450001).

Almost surely, 2^{1143088166665} is an apocalyptic number.

It is an amenable number.

1143088166665 is a deficient number, since it is larger than the sum of its proper divisors (228617633339).

1143088166665 is an equidigital number, since it uses as much as digits as its factorization.

1143088166665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228617633338.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 1143088166665 in words is "one trillion, one hundred forty-three billion, eighty-eight million, one hundred sixty-six thousand, six hundred sixty-five".