11166555601 has 8 divisors (see below), whose sum is σ = 11689118208. Its totient is φ = 10654140000.

The previous prime is 11166555581. The next prime is 11166555611. The reversal of 11166555601 is 10655566111.

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

It is a cyclic number.

It is not a de Polignac number, because 11166555601 - 2¹⁵ = 11166522833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11166555611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534500 + ... + 2538901.

It is an arithmetic number, because the mean of its divisors is an integer number (1461139776).

Almost surely, 2^11166555601 is an apocalyptic number.

It is an amenable number.

11166555601 is a deficient number, since it is larger than the sum of its proper divisors (522562607).

11166555601 is an equidigital number, since it uses as much as digits as its factorization.

11166555601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073503.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 11166555601 in words is "eleven billion, one hundred sixty-six million, five hundred fifty-five thousand, six hundred one".