9091109107 has 2 divisors, whose sum is σ = 9091109108. Its totient is φ = 9091109106.

The previous prime is 9091109059. The next prime is 9091109117. The reversal of 9091109107 is 7019011909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9091109107 - 2⁷ = 9091108979 is a prime.

It is not a weakly prime, because it can be changed into another prime (9091109117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545554553 + 4545554554.

It is an arithmetic number, because the mean of its divisors is an integer number (4545554554).

Almost surely, 2^9091109107 is an apocalyptic number.

9091109107 is a deficient number, since it is larger than the sum of its proper divisors (1).

9091109107 is an equidigital number, since it uses as much as digits as its factorization.

9091109107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 9091109107 is about 95347.3078120195. The cubic root of 9091109107 is about 2087.0793286785.

The spelling of 9091109107 in words is "nine billion, ninety-one million, one hundred nine thousand, one hundred seven".