11191029011 has 8 divisors (see below), whose sum is σ = 11341360800. Its totient is φ = 11041243840.

The previous prime is 11191028977. The next prime is 11191029041. The reversal of 11191029011 is 11092019111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11191029011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11191029041) 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, 95351 + ... + 177408.

It is an arithmetic number, because the mean of its divisors is an integer number (1417670100).

Almost surely, 2^11191029011 is an apocalyptic number.

11191029011 is a deficient number, since it is larger than the sum of its proper divisors (150331789).

11191029011 is an equidigital number, since it uses as much as digits as its factorization.

11191029011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273309.

The product of its (nonzero) digits is 162, while the sum is 26.

The spelling of 11191029011 in words is "eleven billion, one hundred ninety-one million, twenty-nine thousand, eleven".