1180969266065 has 4 divisors (see below), whose sum is σ = 1417163119284. Its totient is φ = 944775412848.

The previous prime is 1180969266041. The next prime is 1180969266151. The reversal of 1180969266065 is 5606629690811.

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 836551695424 + 344417570641 = 914632^2 + 586871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180969266065 - 2⁴⁰ = 81457638289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1180969265995 and 1180969266013.

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, 118096926602 + ... + 118096926611.

It is an arithmetic number, because the mean of its divisors is an integer number (354290779821).

Almost surely, 2^{1180969266065} is an apocalyptic number.

It is an amenable number.

1180969266065 is a deficient number, since it is larger than the sum of its proper divisors (236193853219).

1180969266065 is an equidigital number, since it uses as much as digits as its factorization.

1180969266065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236193853218.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 1180969266065 in words is "one trillion, one hundred eighty billion, nine hundred sixty-nine million, two hundred sixty-six thousand, sixty-five".