11091030019191 has 24 divisors (see below), whose sum is σ = 16199116437504. Its totient is φ = 7311904039440.

The previous prime is 11091030019169. The next prime is 11091030019207. The reversal of 11091030019191 is 19191003019011.

It is not a de Polignac number, because 11091030019191 - 2⁶ = 11091030019127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11091030019141) 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 23 ways as a sum of consecutive naturals, for example, 15452745 + ... + 16154546.

It is an arithmetic number, because the mean of its divisors is an integer number (674963184896).

Almost surely, 2^{11091030019191} is an apocalyptic number.

11091030019191 is a deficient number, since it is larger than the sum of its proper divisors (5108086418313).

11091030019191 is a wasteful number, since it uses less digits than its factorization.

11091030019191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31607731 (or 31607728 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 36.

The spelling of 11091030019191 in words is "eleven trillion, ninety-one billion, thirty million, nineteen thousand, one hundred ninety-one".