11088221117091 has 4 divisors (see below), whose sum is σ = 14784294822792. Its totient is φ = 7392147411392.

The previous prime is 11088221117087. The next prime is 11088221117101. The reversal of 11088221117091 is 19071112288011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11088221117091 - 2² = 11088221117087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11088221117021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848036852846 + ... + 1848036852851.

It is an arithmetic number, because the mean of its divisors is an integer number (3696073705698).

Almost surely, 2^{11088221117091} is an apocalyptic number.

11088221117091 is a deficient number, since it is larger than the sum of its proper divisors (3696073705701).

11088221117091 is an equidigital number, since it uses as much as digits as its factorization.

11088221117091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696073705700.

The product of its (nonzero) digits is 16128, while the sum is 42.

The spelling of 11088221117091 in words is "eleven trillion, eighty-eight billion, two hundred twenty-one million, one hundred seventeen thousand, ninety-one".