1171355843066 has 8 divisors (see below), whose sum is σ = 1758775129140. Its totient is φ = 585097466688.

The previous prime is 1171355843033. The next prime is 1171355843111. The reversal of 1171355843066 is 6603485531711.

It can be written as a sum of positive squares in 2 ways, for example, as 1166410800025 + 4945043041 = 1080005^2 + 70321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1171355843066² (a number of 25 digits) contains 22 as substring.

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, 290224901 + ... + 290228936.

Almost surely, 2^{1171355843066} is an apocalyptic number.

1171355843066 is a deficient number, since it is larger than the sum of its proper divisors (587419286074).

1171355843066 is a wasteful number, since it uses less digits than its factorization.

1171355843066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580454848.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 1171355843066 in words is "one trillion, one hundred seventy-one billion, three hundred fifty-five million, eight hundred forty-three thousand, sixty-six".