1105000090 has 16 divisors (see below), whose sum is σ = 1996185672. Its totient is φ = 440403264.

The previous prime is 1105000087. The next prime is 1105000121. The reversal of 1105000090 is 900005011.

It can be written as a sum of positive squares in 4 ways, for example, as 609447969 + 495552121 = 24687^2 + 22261^2 .

It is an unprimeable number.

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, 196689 + ... + 202228.

Almost surely, 2^1105000090 is an apocalyptic number.

1105000090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105000090 is a deficient number, since it is larger than the sum of its proper divisors (891185582).

1105000090 is a wasteful number, since it uses less digits than its factorization.

1105000090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399201.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1105000090 is about 33241.5416309172. The cubic root of 1105000090 is about 1033.8418404826.

The spelling of 1105000090 in words is "one billion, one hundred five million, ninety", and thus it is an aban number.