11011100101091 has 2 divisors, whose sum is σ = 11011100101092. Its totient is φ = 11011100101090.

The previous prime is 11011100101081. The next prime is 11011100101117. The reversal of 11011100101091 is 19010100111011.

11011100101091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011100101091 - 2¹⁰ = 11011100100067 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011100101031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505550050545 + 5505550050546.

It is an arithmetic number, because the mean of its divisors is an integer number (5505550050546).

Almost surely, 2^{11011100101091} is an apocalyptic number.

11011100101091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011100101091 is an equidigital number, since it uses as much as digits as its factorization.

11011100101091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 11011100101091 in words is "eleven trillion, eleven billion, one hundred million, one hundred one thousand, ninety-one".