11100110091919 has 2 divisors, whose sum is σ = 11100110091920. Its totient is φ = 11100110091918.

The previous prime is 11100110091853. The next prime is 11100110091943. The reversal of 11100110091919 is 91919001100111.

11100110091919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (91919001100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11100110091919 - 2³⁵ = 11065750353551 is a prime.

It is a super-5 number, since 5×11100110091919⁵ (a number of 66 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100110091949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550055045959 + 5550055045960.

It is an arithmetic number, because the mean of its divisors is an integer number (5550055045960).

Almost surely, 2^{11100110091919} is an apocalyptic number.

11100110091919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100110091919 is an equidigital number, since it uses as much as digits as its factorization.

11100110091919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 34.

The spelling of 11100110091919 in words is "eleven trillion, one hundred billion, one hundred ten million, ninety-one thousand, nine hundred nineteen".