1090099011 has 4 divisors (see below), whose sum is σ = 1453465352. Its totient is φ = 726732672.

The previous prime is 1090099001. The next prime is 1090099019. The reversal of 1090099011 is 1109900901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1109900901 = 3 ⋅369966967.

It is not a de Polignac number, because 1090099011 - 2⁷ = 1090098883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1090099011.

It is not an unprimeable number, because it can be changed into a prime (1090099019) 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, 181683166 + ... + 181683171.

It is an arithmetic number, because the mean of its divisors is an integer number (363366338).

Almost surely, 2^1090099011 is an apocalyptic number.

1090099011 is a deficient number, since it is larger than the sum of its proper divisors (363366341).

1090099011 is an equidigital number, since it uses as much as digits as its factorization.

1090099011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363366340.

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 1090099011 is about 33016.6474827472. The cubic root of 1090099011 is about 1029.1736266142.

Adding to 1090099011 its reverse (1109900901), we get a palindrome (2199999912).

The spelling of 1090099011 in words is "one billion, ninety million, ninety-nine thousand, eleven".