11166011727265 has 4 divisors (see below), whose sum is σ = 13399214072724. Its totient is φ = 8932809381808.

The previous prime is 11166011727259. The next prime is 11166011727271. The reversal of 11166011727265 is 56272711066111.

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

It is an interprime number because it is at equal distance from previous prime (11166011727259) and next prime (11166011727271).

It can be written as a sum of positive squares in 2 ways, for example, as 6745286814561 + 4420724912704 = 2597169^2 + 2102552^2 .

It is a cyclic number.

It is not a de Polignac number, because 11166011727265 - 2⁷ = 11166011727137 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, 1116601172722 + ... + 1116601172731.

It is an arithmetic number, because the mean of its divisors is an integer number (3349803518181).

Almost surely, 2^{11166011727265} is an apocalyptic number.

It is an amenable number.

11166011727265 is a deficient number, since it is larger than the sum of its proper divisors (2233202345459).

11166011727265 is an equidigital number, since it uses as much as digits as its factorization.

11166011727265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233202345458.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 11166011727265 in words is "eleven trillion, one hundred sixty-six billion, eleven million, seven hundred twenty-seven thousand, two hundred sixty-five".