11806828090 has 8 divisors (see below), whose sum is σ = 21252290580. Its totient is φ = 4722731232.

The previous prime is 11806828081. The next prime is 11806828109. The reversal of 11806828090 is 9082860811.

It can be written as a sum of positive squares in 2 ways, for example, as 10862433729 + 944394361 = 104223^2 + 30731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590341395 + ... + 590341414.

Almost surely, 2^11806828090 is an apocalyptic number.

11806828090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11806828090 is a deficient number, since it is larger than the sum of its proper divisors (9445462490).

11806828090 is a wasteful number, since it uses less digits than its factorization.

11806828090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180682816.

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 11806828090 in words is "eleven billion, eight hundred six million, eight hundred twenty-eight thousand, ninety".