9091091011 has 8 divisors (see below), whose sum is σ = 9208284624. Its totient is φ = 8974080000.

The previous prime is 9091090973. The next prime is 9091091027. The reversal of 9091091011 is 1101901909.

9091091011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9091091011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9091091041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56011 + ... + 146011.

It is an arithmetic number, because the mean of its divisors is an integer number (1151035578).

Almost surely, 2^9091091011 is an apocalyptic number.

9091091011 is a deficient number, since it is larger than the sum of its proper divisors (117193613).

9091091011 is a wasteful number, since it uses less digits than its factorization.

9091091011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91301.

The product of its (nonzero) digits is 729, while the sum is 31.

The square root of 9091091011 is about 95347.2129167916. The cubic root of 9091091011 is about 2087.0779438892.

The spelling of 9091091011 in words is "nine billion, ninety-one million, ninety-one thousand, eleven".