11110101111091 has 2 divisors, whose sum is σ = 11110101111092. Its totient is φ = 11110101111090.

The previous prime is 11110101111077. The next prime is 11110101111101. The reversal of 11110101111091 is 19011110101111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11110101111091 - 2¹³ = 11110101102899 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110101111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555050555545 + 5555050555546.

It is an arithmetic number, because the mean of its divisors is an integer number (5555050555546).

Almost surely, 2^{11110101111091} is an apocalyptic number.

11110101111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110101111091 is an equidigital number, since it uses as much as digits as its factorization.

11110101111091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 11110101111091 in words is "eleven trillion, one hundred ten billion, one hundred one million, one hundred eleven thousand, ninety-one".