1106011091 has 4 divisors (see below), whose sum is σ = 1121588784. Its totient is φ = 1090433400.

The previous prime is 1106011063. The next prime is 1106011129. The reversal of 1106011091 is 1901106011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1106011091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106011031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7788740 + ... + 7788881.

It is an arithmetic number, because the mean of its divisors is an integer number (280397196).

Almost surely, 2^1106011091 is an apocalyptic number.

1106011091 is a deficient number, since it is larger than the sum of its proper divisors (15577693).

1106011091 is an equidigital number, since it uses as much as digits as its factorization.

1106011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15577692.

The product of its (nonzero) digits is 54, while the sum is 20.

The square root of 1106011091 is about 33256.7450451784. The cubic root of 1106011091 is about 1034.1570430299.

The spelling of 1106011091 in words is "one billion, one hundred six million, eleven thousand, ninety-one".