11191034066 has 8 divisors (see below), whose sum is σ = 16856205564. Its totient is φ = 5572298880.

The previous prime is 11191034059. The next prime is 11191034093. The reversal of 11191034066 is 66043019111.

It can be written as a sum of positive squares in 2 ways, for example, as 10440548041 + 750486025 = 102179^2 + 27395^2 .

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

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, 11608475 + ... + 11609438.

Almost surely, 2^11191034066 is an apocalyptic number.

11191034066 is a deficient number, since it is larger than the sum of its proper divisors (5665171498).

11191034066 is a wasteful number, since it uses less digits than its factorization.

11191034066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218156.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 11191034066 in words is "eleven billion, one hundred ninety-one million, thirty-four thousand, sixty-six".