11155166011 has 8 divisors (see below), whose sum is σ = 12208405248. Its totient is φ = 10108449000.

The previous prime is 11155165993. The next prime is 11155166021. The reversal of 11155166011 is 11066155111.

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 11155166011 - 2¹⁷ = 11155034939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11155166021) 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, 1626975 + ... + 1633816.

It is an arithmetic number, because the mean of its divisors is an integer number (1526050656).

Almost surely, 2^11155166011 is an apocalyptic number.

11155166011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11155166011 is a deficient number, since it is larger than the sum of its proper divisors (1053239237).

11155166011 is a wasteful number, since it uses less digits than its factorization.

11155166011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261113.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 11155166011 in words is "eleven billion, one hundred fifty-five million, one hundred sixty-six thousand, eleven".