11033639109 has 12 divisors (see below), whose sum is σ = 16326198252. Its totient is φ = 7176350400.

The previous prime is 11033639107. The next prime is 11033639119. The reversal of 11033639109 is 90193633011.

11033639109 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 3 + 639 + 10 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 320768100 + 10712871009 = 17910^2 + 103503^2 .

It is not a de Polignac number, because 11033639109 - 2¹ = 11033639107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033639107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14950362 + ... + 14951099.

It is an arithmetic number, because the mean of its divisors is an integer number (1360516521).

Almost surely, 2^11033639109 is an apocalyptic number.

It is an amenable number.

11033639109 is a deficient number, since it is larger than the sum of its proper divisors (5292559143).

11033639109 is a wasteful number, since it uses less digits than its factorization.

11033639109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29901508 (or 29901505 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The spelling of 11033639109 in words is "eleven billion, thirty-three million, six hundred thirty-nine thousand, one hundred nine".