1105056009 has 6 divisors (see below), whose sum is σ = 1596192026. Its totient is φ = 736704000.

The previous prime is 1105055983. The next prime is 1105056013. The reversal of 1105056009 is 9006505011.

1105056009 is a `hidden beast` number, since 1 + 1 + 0 + 50 + 5 + 600 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1061456400 + 43599609 = 32580^2 + 6603^2 .

It is not a de Polignac number, because 1105056009 - 2¹⁷ = 1104924937 is a prime.

It is a super-2 number, since 2×1105056009² = 2442297566054016162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105056509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61391992 + ... + 61392009.

Almost surely, 2^1105056009 is an apocalyptic number.

It is an amenable number.

1105056009 is a deficient number, since it is larger than the sum of its proper divisors (491136017).

1105056009 is a wasteful number, since it uses less digits than its factorization.

1105056009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122784007 (or 122784004 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1105056009 is about 33242.3827214597. The cubic root of 1105056009 is about 1033.8592795240.

The spelling of 1105056009 in words is "one billion, one hundred five million, fifty-six thousand, nine".