10988440805 has 8 divisors (see below), whose sum is σ = 13492783392. Its totient is φ = 8586316368.

The previous prime is 10988440751. The next prime is 10988440847. The reversal of 10988440805 is 50804488901.

It is a happy number.

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

It is not a de Polignac number, because 10988440805 - 2¹⁶ = 10988375269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10988440805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25554299 + ... + 25554728.

It is an arithmetic number, because the mean of its divisors is an integer number (1686597924).

Almost surely, 2^10988440805 is an apocalyptic number.

It is an amenable number.

10988440805 is a deficient number, since it is larger than the sum of its proper divisors (2504342587).

10988440805 is an equidigital number, since it uses as much as digits as its factorization.

10988440805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51109075.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 10988440805 in words is "ten billion, nine hundred eighty-eight million, four hundred forty thousand, eight hundred five".