1185505085011 has 8 divisors (see below), whose sum is σ = 1307836754784. Its totient is φ = 1067621839680.

The previous prime is 1185505084997. The next prime is 1185505085041. The reversal of 1185505085011 is 1105805055811.

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 1185505085011 - 2²³ = 1185496696403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1185505085041) 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, 1112105551 + ... + 1112106616.

It is an arithmetic number, because the mean of its divisors is an integer number (163479594348).

Almost surely, 2^{1185505085011} is an apocalyptic number.

1185505085011 is a deficient number, since it is larger than the sum of its proper divisors (122331669773).

1185505085011 is a wasteful number, since it uses less digits than its factorization.

1185505085011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224212221.

The product of its (nonzero) digits is 40000, while the sum is 40.

The spelling of 1185505085011 in words is "one trillion, one hundred eighty-five billion, five hundred five million, eighty-five thousand, eleven".