11806357305 has 8 divisors (see below), whose sum is σ = 18890171712. Its totient is φ = 6296723888.

The previous prime is 11806357289. The next prime is 11806357349. The reversal of 11806357305 is 50375360811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11806357305 - 2⁴ = 11806357289 is a prime.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 393545229 + ... + 393545258.

It is an arithmetic number, because the mean of its divisors is an integer number (2361271464).

Almost surely, 2^11806357305 is an apocalyptic number.

11806357305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11806357305 is a deficient number, since it is larger than the sum of its proper divisors (7083814407).

11806357305 is an equidigital number, since it uses as much as digits as its factorization.

11806357305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787090495.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 11806357305 in words is "eleven billion, eight hundred six million, three hundred fifty-seven thousand, three hundred five".